A girl reacts as coloured water is thrown on her face while celebrating Holi, the Festival of Colours, in Mumbai, India, March 13, 2017. (Photo by Shailesh Andrade/Reuters)

Runners hoist another runner into the air after completing The Color Run All-Star 5K as part of the All-Star Baseball game festivities, Saturday, July 11, 2015, at Sawyer Point Park, in Cincinnati. After more than two years of planning and sprucing up, city organizers say everything's in place for a smooth, safe and fun five days of events that began Friday morning with the opening of Major League Baseball's fan festival. There will be concerts, exhibits, celebrity softball, the Home Run Derby and other activities capped by Tuesday night's game. (Photo by John Minchillo/AP Photo)

Audrey Hepburn cooking at home, 1954. Colorized by Dana Keller.

Coloured X-ray of a barn owl. A physicist has used X-ray to create an extraordinary collection of artwork. Arie van't Riets pictures reveal birds, fish, monkeys and flowers in an incredible new light. The 66-year-old, from Bathmen in the Netherlands, began X-raying flowers as a means to teach radiographers and physicians how the machine worked. But after adding a bit of colour to the pictures, the retired medical physicist realised the potential for an exciting new collection of art. (Photo by Arie van't Riet/Barcroft Media)

A model walks down the runway during the Safilo fashion show at the Mercedes-Benz Fashion Pavilion on January 30, 2012 in Stockholm, Sweden. (Photo by Ian Gavan/Getty Images)

A model walks the runway during the Craig Lawrence show at London Fashion Week Autumn/Winter 2012 at Somerset House on February 19, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

A model walks down the runway during the Odd Molly Autumn/Winter 2012 Fashion Show at Berns on February 1, 2012 in Stockholm, Sweden. (Photo by Ian Gavan/Getty Images)

A model walks the runway during the Sister by Sibling show at London Fashion Week Autumn/Winter 2012 at Somerset House on February 18, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)