swimming

Craig Watson/PA

Hannah Miley wins her heat in the Women’s Open 400m IM during day one of the British Swimming Championships at Tollcross International Swimming Centre, Glasgow 

Special forces training tp overcoming the cold...epa05096762 Members of the South Korean Navy Ship Salvage Unit, special forces in charge of rescue missions during maritime accidents, jump into the sea in a winter exercise at Changwon, 398 kilometers southeast of Seoul, South Korea 11 January 2016.  EPA/STRINGER SOUTH KOREA OUT

EPA

Members of the South Korean Navy Ship Salvage Unit, special forces in charge of rescue missions during maritime accidents, jump into the sea in a winter exercise at Changwon, South Korea 

Two penguins swim in their pool while others stand outside the water in their enclosure in the zoo in Frankfurt, Germany, Monday, Dec. 7, 2015. (AP Photo/Michael Probst)

Michael Probst/AP

Two penguins swim in their pool while others stand outside the water in their enclosure at Frankfurt Zoo

Residents from the nearby Providencia 'favela' community swim and cool off in the polluted Guanabara Bay

Mario Tama/Getty Images

Residents from the nearby Providencia ‘favela’ community swim and cool off in the polluted Guanabara Bay in the historic port district in Rio de Janeiro, Brazil. The Providencia ‘favela’ is considered to be the oldest in Rio. The polluted bay will host sailing events during the Rio 2016 Olympic Games. Ahead of the games, the port district is undergoing a controversial multibillion dollar urban renewal program although some projects have been delayed in the midst of Brazil’s recession. Many parts of the port district retain descendants of African slaves along with Afro-Brazilian historical locations including the area where samba music is thought to have been born in Rio.

Competitors start in a men's 50m freestyle heat at the Aquatics World Championships in Kazan, Russia, August 7, 2015.

Stefan Wermuth/Reuters

Competitors start in a men’s 50m freestyle heat at the Aquatics World Championships in Kazan, Russia today.

Hungary's Liliana Szilagyi swims in a women's 200m butterfly heat at the Aquatics World Championships in Kazan, Russia, August 5, 2015

Stefan Wermuth/Reuters

Hungary’s Liliana Szilagyi swims in a women’s 200m butterfly heat at the Aquatics World Championships in Kazan, Russia

A spectator watches the morning heats at the Swimming World Championships in Kazan, Russia, Monday, Aug. 3, 2015

Michael Sohn/AP

A spectator watches the morning heats at the Swimming World Championships in Kazan, Russia on Monday

Swimmers start the women's 10km open water race at the Aquatics World Championships in Kazan, Russia.

Stefan Wermuth/Reuters

Swimmers start the women’s 10km open water race at the Aquatics World Championships in Kazan, Russia.

Members of Team France perform in the synchronised swimming team technical final at the Aquatics World Championships in Kazan, Russia July 27, 2015.

Michael Dalder/Reuters

Members of Team France perform in the synchronised swimming team technical final at the Aquatics World Championships in Kazan, Russia today.

Spain's Carbonell performs in the synchronised swimming solo free routine preliminary at the Aquatics World Championships in Kazan

Michael Dalder/Reuters

Spain’s Ona Carbonell performs in the synchronised swimming solo free routine preliminary at the Aquatics World Championships in Kazan, Russia on Monday

Iraqis swim at an irrigation canal on th...Iraqis swim at an irrigation canal on the outskirts of Baghdad as temperatures reach close to 50 degrees Celsius (122 F) and authorities declared a holiday, on July 16,  2015 .  AFP PHOTO / AHMAD AL-RUBAYEAHMAD AL-RUBAYE/AFP/Getty Images

Ahmad Al-Rubaye/AFP/Getty

Iraqis swim at an irrigation canal on the outskirts of Baghdad as temperatures reach close to 50 degrees Celsius (122F) as authorities declared a holiday 

People swim during the annual public Lake Zurich crossing swimming event in Zurich...People swim during the annual public Lake Zurich crossing swimming event in Zurich July 1, 2015. The participants crossed Lake Zurich over a distance of 1,500 metres (4,921 ft).  REUTERS/Arnd Wiegmann

Arnd Wiegmann/Reuters

People swim during the annual public Lake Zurich crossing swimming event in Zurich 

Team Indonesia start their routine in their Team Technical and Free Routine synchronized swimming finals at the Southeast Asian Games in Singapore June 3, 2015.

Edgar Su/Reuters

Team Indonesia start their routine in their Team Technical and Free Routine synchronized swimming finals at the Southeast Asian Games in Singapore

Indonesians jump into the water from a docked tugboat across from the prison island of Nusakambangan in Cilacap, Central Java.

Darren Whiteside/Reuters

Indonesian children jump into the water from a docked tugboat across from the prison island of Nusakambangan in Cilacap, Central Java.

A member of the Serpentine Swimming Club enjoys an early morning swim in Serpentine Lake in Hyde Park on Monday in London, England

Carl Court/Getty Images

A member of the Serpentine Swimming Club enjoys a brisk early morning swim on Monday in the lake in Hyde Park in London, England

A swimmer swims laps in Bronte Ocean Pool as a severe storm hits Sydney at Bronte Beach on October 13, 2014 in Sydney, Australia.

Ryan Pierse/Getty Images

A swimmer does laps in Bronte Ocean Pool as a severe storm hits Sydney at Bronte Beach on Monday in Australia.

TOPSHOTS This photo taken on September 3...TOPSHOTS This photo taken on September 3, 2014 shows  Leng Yuting, 26, posing underwater for her wedding pictures at a photo studio in Shanghai, ahead of her wedding next year. Her fiance Riyang said they had their wedding photographs taken underwater because 'its romantic and beautiful'. Mr Wedding studio owner, Tina Lui, started providing underwater pictures four years ago.   AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

Johannes Eisele/AFP/Getty

Leng Yuting poses underwater for her wedding pictures at a photography studio in Shanghai, ahead of her wedding next year. Fiance Riyang said they had their wedding photographs taken underwater because ‘it’s romantic and beautiful’. Mr Wedding studio owner, Tina Lui, started providing underwater pictures four years ago 

Swimmers Take An Early Dip In The Serpentine Lido

Oli Scarff/Getty Images

Members of the Serpentine Swimming Club enjoy an early morning swim in Serpentine lake in Hyde Park on Monday.

Overweight Chinese students stretch after swimming during training at a camp held for overweight children in Beijing, China

Kevin Frayer/Getty Images

Chinese students stretch after swimming during training at a camp for overweight children in Beijing, China

Swimming - 2014 British Gas Swimming Championships - Day One - Tollcross International Swimming Centre...Michael Jamieson competes in the Mens Open 200m Breaststroke heat 5 during the 2014 British Gas Swimming Championships at Tollcross International Swimming Centre, Glasgow.

Danny Lawson/PA

Michael Jamieson competes in the men’s open 200m breaststroke heats during the 2014 British Gas Swimming Championships at Tollcross, Glasgow.