People cool off in a fountain outside the Southbank Centre on June 30, 2015 in London, England. The UK is currently experiencing a heatwave, with temperatures of 35 degree celsius forecast tomorrow in some parts of the country. The extreme heat has already seen train cancellations and a health warning has been issued. (Photo by Rob Stothard/Getty Images)

Brazilian Treatment – Mario Testino teams up with American beauty Karlie Kloss for a story lensed in Bahia, Brazil for the July issue of Vogue US. Stylist Phyllis Posnick selects a wardrobe of colorful looks for Karlie to wear as she heads to the beaches and other stunning sights of Bahia. Whether posing with Capoeira dancers or exploring the outdoors, Karlie enchants in every image. (Photo by Mario Testino)

A client reacts as she is tattooed during the Tattoo Week SP 2016 in Sao Paulo, Brazil, July 23, 2016. (Photo by Paulo Whitaker/Reuters)

A pilot steers his helicopter at night over Rio de Janeiro, Brazil, less than two weeks before the start of the Rio 2016 Olympic Games, July 23, 2016. Picture taken July 23, 2016. (Photo by Pawel Kopczynski/Reuters)

American singer, songwriter, dancer, record producer, actress and model Tinashe is seen on July 23, 2018 in Los Angeles, California. (Photo by gotpap/Bauer-Griffin/GC Images)

Newborn sea lion “Kaya” crawls at the enclosure at the zoo in Wuppertal, Germany July 23, 2015. Kaya was born on July 4, 2015 in the zoo, officials said. (Photo by Ina Fassbender/Reuters)

Labourers who work nearby nap on a road as cars drive past in Chongqing Municipality, July 23, 2013. (Photo by Reuters/Stringer)

A man makes a mud oven to be used for baking bread at a workshop in Najaf, south of Baghdad, July 23, 2015. (Photo by Alaa Al-Marjani/Reuters)