Paris Olympics day four — in pictures

The action continued on a hot day in France Tuesday as Olympic heavyweight teams started to flex their muscles — the United States took gold in the artistic gymnastics women's team final and Great Britain defended their title in the men's 4x200

Gabriel Medina of Brazil competes during round 3 of the men's surfing at the Paris Olympics in Tahiti on July 29. [XINHUA/YONHAP]

The action continued on a very hot day across France Tuesday as some Olympic heavyweight teams started to flex their muscles — the United States took gold in the artistic gymnastics women's team final and Great Britain defended their title in the men's 4x200 freestyle relay.

Here's some of the best photos from the fourth day of competition.

Lithuania's Rytis Jasiunas practices before competing in a men's windsurfing race in Marseille, France on Tuesday. [AP/YONHAP]

Volleyball equipment coordinator Stephane Brissac sprays water on fans during a heatwave in Paris on Tuesday. [AP/YONHAP]

Zambia's Patrick Chinyemba celebrates after defeating India's Amit Amit in a preliminary men's 51kg boxing match in Paris on Tuesday. [AP/YONHAP]

Simone Biles of the United States performs on the balance beam during the women's artistic gymnastics team finals in Paris on Tuesday. [AP/YONHAP]

An underwater view shows Hungary's Kristof Milak competing in a men's 200-meter butterfly heat at the Paris La Defense Arena in Paris on Tuesday. [AFP/YONHAP]

Japan's Shunsuke Togami plays against Slovenia's Deni Kozul during a men's singles round of 32 table tennis game in Paris on Tuesday. [AP/YONHAP]

Poland's Aleksandra Jarecka, left, competes with China's Xu Nuo in the women's team epee bronze final match at the Grand Palais in Paris on Tuesday. [AP/YONHAP]

Spain's Pablo Herrera Allepuz serves during a men's pool F beach volleyball match between France and Spain at Eiffel Tower Stadium in Paris on Tuesday. [AP/YONHAP]

Ho Ian Yentou of Hong Kong reacts before a men's 100-meter freestyle heat of swimming in Paris on Tuesday. [XINHUA/YONHAP]

Ilona Maher of the United States celebrates after her team won bronze in rugby sevens at the 2024 Paris Olympics on Tuesday. [AP/YONHAP]

Latvia fans cheer during a men's 3x3 basketball pool round match against Lithuania at the 2024 Paris Olympics on Tuesday. [AP/YONHAP]

Pilar Lamadrid Trueba of Spain prepares for the women's windsurfing event at the 2024 Paris Olympics in Marseille, France on Tuesday. [REUTERS/YONHAP]

Japan's Yuki Kawamura, left, drives past France's Andrew Albicy in a men's basketball game at the Paris Olympics in Villeneuve-d'Ascq, France on Tuesday. [AP/YONHAP]

Stephanie Touissaint, foreground, uses a fan to keep cool in the sweltering heat at Eiffel Tower Stadium during a beach volleyball match between Cuba and Brazil in Paris on Tuesday. [AP/YONHAP]

Azerbaijan's Murad Allahverdiyev, left, fights Egypt's Abdelrahman Abdelgawwad in their preliminary men's 80-kilogram boxing match at the Paris Olympics in Paris on Tuesday. [AP/YONHAP]

Denmark's Mia Mia Blichfeldt plays against Germany's Yvonne Li during their women's singles badminton group stage match at Porte de la Chapelle Arena during the Paris Olympics on Tuesday in Paris, France. [AP/YONHAP]

Argentina's Giuliano Simeone, left, challenges for the ball during a football match at the Paris Olympics on Tuesday in Decines, France. [AP/YONHAP]

Pedro Goncalves of Brazil competes in the men's kayak single heats at the Paris Olympics on Tuesday in Vaires-sur-Marne, France. [AP/YONHAP]

Marin Rantes of Croatia performs a trick, with the Luxor Obelisk of La Concorde square in the background, during the cycling BMX freestyle men's park qualification at the Paris Olympics on Tuesday in Paris. [AP/YONHAP]

BY JIM BULLEY [jim.bulley@joongang.co.kr]