Rio 2016 Olympics: Day 1 as it happened - CNN

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Rio 2016 Olympics: Day 1 as it happened

By Matias Grez and Henry Young, CNN

Updated 0417 GMT (1217 HKT) August 7, 2016

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Olympic champions go over their routines

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Simone Biles wins fourth gold in Rio Olympics

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Tommie Smith reflects on the 1968 Olympics

Jamaica's Usain Bolt (C) jokes with Canada's Andre De Grasse (L) after they crossed the finish line in the Men's 200m Semifinal during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 17, 2016. / AFP / OLIVIER MORIN (Photo credit should read OLIVIER MORIN/AFP/Getty Images)

Usain Bolt cracks joke crossing finish line

European Olympic Committee (EOC) President Patrick Hickey gives a press conference after the EOC's 37th general assembly in Istanbul on November 22, 2008. AFP

European Olympic head arrested in alleged ticket scam

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See Simone Biles get a kiss from celebrity crush

RIO DE JANEIRO, BRAZIL - AUGUST 08: Kerri Walsh Jennings of United States celebrates during the Women's Beach Volleyball preliminary round Pool C match against Fan Wang and Yuan Yue of China on Day 3 of the Rio 2016 Olympic Games at the Beach Volleyball Arena on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Ezra Shaw/Getty Images)

Kerri Wash Jennings dominates olympic beach volleyball

RIO DE JANEIRO, BRAZIL - AUGUST 16: Giles Scott of Great Britain celebrates winning the gold medal in the Finn class on Day 11 of the Rio 2016 Olympic Games at the Marina da Gloria on August 16, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Mason/Getty Images)

British sailing gold medalist talks Rio Olympics

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South African stuns the world at Rio Olympics

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Yulia Efimova: America has changed me

RIO DE JANEIRO, BRAZIL - AUGUST 08: Ibtihaj Muhammad of the United States looks on during the Women's Individual Sabre on Day 3 of the Rio 2016 Olympic Games at Carioca Arena 3 on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Patrick Smith/Getty Images)

Muslim-American athelete makes history at the Olympics

China's Fu Yuanhui poses with her bronze medal on the podium of the Women's 100m Backstroke during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 8, 2016. / AFP / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)

Chinese swimmer praised for challenging taboo

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Michael Phelps cements Olympic legacy in Rio

Usain Bolt's smile cracks up the Internet

RIO DE JANEIRO, BRAZIL - AUGUST 09: (R to L) Gold Medalists Simone Biles, Gabrielle Douglas, Lauren Hernandez, Madison Kocian and Alexandra Raisman of the United States stand on the podium for the national anthem at the medal ceremony for the Artistic Gymnastics Women's Team Final on Day 4 of the Rio 2016 Olympic Games at the Rio Olympic Arena on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by Alex Livesey/Getty Images)

Heated debate over Olympic podium moment

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Podium proposal at Rio Olympics

BEIJING, CHINA - AUGUST 27: Usain Bolt of Jamaica celebrates after crossing the finish line to win gold in the Men's 200 metres final during day six of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 27, 2015 in Beijing, China. (Photo by Cameron Spencer/Getty Images)

Usain Bolt is ...

Douglas produced an astonishing showing at the London 2012 Games with a performance which belied her years.

Mom: Online criticism devastated Gabby Douglas

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Jennifer Bolt: The gold medal mom

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Security concerns ahead of Olympics

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15-year-old Michael Phelps: I don't have a normal life

TOPSHOT - USA's Michael Phelps kisses his gold medal on the podium of the Men's 4x100m Freestyle Relay Final during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 7, 2016. / AFP / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)

Michael Phelps is ...

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Lone Russian long jumper suspended from Rio games

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2012 Heptathlon champion hopes for a repeat in Rio

RIO DE JANEIRO, BRAZIL - AUGUST 12: Katie Ledecky of the United States leads the field in the Women's 800m Freestyle Final on Day 7 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 12, 2016 in Rio de Janeiro, Brazil. (Photo by Adam Pretty/Getty Images)

Ledecky crushes rivals, wins gold medal

Two Simones earn gold at Olympics

US women's soccer

US women's soccer team loses to Sweden in Rio

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From Favela to Olympic gold

RIO DE JANEIRO, BRAZIL - AUGUST 06: Xinyi Chen of China competes in heat four of the Women's 100m Butterfly on Day 1 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on on August 6, 2016 in Rio de Janeiro, Brazil. (Photo by Lars Baron/Getty Images)

Chinese swimmer fails doping test in Rio

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Rio athletes deal with water full of sewage and trash

Which nation sent only 2 athletes to Rio?

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Olympic dream comes true for Palestinian swimmer

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Lochte vs. Phelps: An end to a 12-year rivalry

RIO DE JANEIRO, BRAZIL - AUGUST 11: Michael Phelps of the United States celebrates winning the Men's 200m Individual Medley Final on Day 6 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 11, 2016 in Rio de Janeiro, Brazil. (Photo by Al Bello/Getty Images)

How do elite athletes conquer their nerves?

EVERETT, WA - APRIL 09: Simone Biles of the United States competes in the floor exercise during Day 2 of the 2016 Pacific Rim Gymnastics Championships at Xfinity Arena on April 9, 2016 in Everett, Washington. Biles won the all-around competition. (Photo by Ezra Shaw/Getty Images)

Simone Biles amazes teammates

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Russian swimming head talks Yulia Efimova, doping

The water of the diving pool at right appears a murky green as the water polo pool at left appears a greener colour than the previous day during a preliminary round match between United States and France in the Maria Lenk Aquatic Center at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Wednesday, Aug. 10, 2016. (AP Photo/Matt Dunham)

A 2nd Olympic pool in Rio turns green

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Japan's Uchimura, US' Ledecky thrill fans

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The favela that raised Brazil's golden girl

Discovering the heart of Rio's art scene

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Heptathlete Jess Ennis-Hill on doping and clean sports

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Aussies go wild for Kyle Chalmers

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Day 5 of the Olympics: Finals are heating up

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Golf has returned to the Olympics

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Brazil's Rafaela Silva wins gold in women's judo

RIO DE JANEIRO, BRAZIL - AUGUST 09: Michael Phelps of the United States celebrates winning gold in the Men's 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by Phil Walter/Getty Images)

Michael Phelps wins 21st gold medal

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How they make Olympic medals

Pictures of Serena Williams losing today

Serena Williams knocked out of Rio Olympics

Majlinda Kelmendi winning gold medal for Kosovo

Judo champ thrills Kosovo with first ever gold medal

How fast does an Olympic boxer punch?

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American Lilly King defeats Russia's Efimova for gold

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All eyes on US women's gymnastics team

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Usain Bolt: I will be 'fully accomplished' after Rio

Russia supporters look on as a US team member drapes a US flag during the swimming competitions at the 2016 Summer Olympics, Sunday, Aug. 7, 2016, in Rio de Janeiro, Brazil. (AP Photo/Martin Meissner)

Russian athletes booed at Rio Olympics

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What US Olympic athletes eat to get ready for Rio 2016

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41-year-old gymnast competes in 7th Olympics

An overview shows France's Samir Ait Said being stretchered off after being injured while competing in the qualifying for the men's vault event of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 6, 2016. / AFP / Antonin THUILLIER (Photo credit should read ANTONIN THUILLIER/AFP/Getty Images)

French gymnast breaks leg during vault in Rio

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U.S. athletes show off their Olympic tattoos

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Beach volleyball star: Olympics are like childbirth

Refugee swimmer aims for the Olympics

LONDON, ENGLAND - AUGUST 05: Sanya Richards-Ross of the United States celebrates winning gold in the Women's 400m Final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England. (Photo by Alexander Hassenstein/Getty Images)

Sonya Richards-Ross talks to CNN

RIO DE JANEIRO, BRAZIL - AUGUST 01: The sun sets over the Olympic Rings on the Olympic Park on August 1, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Rose/Getty Images)

Russian athletes barred from Paralympic Games

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Egyptian fencer chases Olympic history

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The girl from Ipanema lights torch

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What the Olympics means to the American athletes

Lebanese Trap Champion Ray Bassil gives a thumbs-up sign as she trains for the 2012 Summer Olympic Games in London at a shooting club in Ghadras north of Beirut on July 13, 2012. AFP PHOTO/JOSEPH EID (Photo credit should read JOSEPH EID/AFP/GettyImages)

Meet the world's #1 female trap shooter

Meet Ibtihaj Muhammad

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Team USA Olympic uniforms receive heat on social media

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Inside Rio's no-go drug zone

A man disguised as Batman holds a fake Olympic torch reading "Shame" during a protest against suspended president Dilma Rousseff and former president Luiz Inacio Lula Da Silva, at Copacabana beach in Rio de Janeiro, Brazil, on July 31, 2016.
Protesters took to the streets of Brazil on Sunday to demand the final leaving of suspended President Dilma Rousseff or to defend her continuance, just five days before the start of the Rio 2016 Olympic Games. / AFP / TASSO MARCELO (Photo credit should read TASSO MARCELO/AFP/Getty Images)

Beaches, samba and caipirinhas: CNN's Guide to Rio 2016

Polluted water, Zika and superbugs are three of the major health concerns at the Rio Olympics.

Health concerns overshadow Rio Olympics

BIRMINGHAM, ENGLAND - FEBRUARY 21: Kim Collins of St Kitts & Nevis runs in the 60m heats during the Sainsbury's Indoor Grand Prix at the Barclaycard Arena on February 21, 2015 in Birmingham, England. (Photo by Richard Heathcote/Getty Images)

This 40-year-old can run 100m in less than 10 seconds

Test-driving through Rio's Olympic venues

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Team South Korea wears shield against Zika

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Ride along with Rio's aquatic rescue team

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Hang gliding over Rio

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Rio favela bar lauded as top culinary destination

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Team GB unified in Olympic rugby bid

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Beating the odds for the Olympic dream

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India sends its first female wrestlers to the Olympics

First U.S. Olympic Muslim athlete to wear a hijab

Iconic Olympics ads through the years

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American underdog Olympic heroes

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Rio undergoes facelift in preparation for Olympics

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An inside look at Rio's Olympic Village

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Angolan rowers making history as they head for Rio 2016

PERTH, AUSTRALIA - DECEMBER 07: Scott Giles of Great Britain competes in the Finn Yellow fleet on the Leighton Course during day five of the 2011 ISAF Sailing World Championships on December 7, 2011 in Perth, Australia.. (Photo by Mark Dadswell/Getty Images)

Can Team GB sail to Rio 2016 gold?

(CNN)After Friday's showstopping opening ceremony, the Rio 2016 Olympics began with action and drama.

Day one's highlights included: (Mobile app users can best follow the blog here)

• Aquatic grudge match and records smashed in the pool

• French gymnast suffers horror injury

• U.S. teen Ginny Thrasher wins first gold of Games in women's 10-meter air rifle

Read More

Recap all the action below and at our Olympics hub: