Lucie Clayton instructs pupils in the art of correct posture by balancing a glass and book on their heads at her finishing school in Old Cavendish Street, London. (Photo by William Vanderson/Fox Photos/Getty Images). 25th November 1936

Senator Barack Obama (D-IL) (R) stands in front of Senator Hillary Clinton (D-NY) as they arrive for U.S. President George W. Bush's annual State of the Union speech to a joint session of Congress at the U.S. Capitol in Washington in this January 23, 2007 file photo. Hillary Clinton announced her second run for the presidency on April 12, 2015 starting her campaign as the Democrats' best hope of fending off a crowded field of lesser-known Republican rivals and retaining the White House. (Photo by Larry Downing/Reuters)

David Bowie, 1974. David Bowie's quirky character and style was perfectly encapsulated in this shot by Terry O'Neill, which shows the music legend posing next to a barking dog on the artwork for his 1974 album “Diamond Dogs” in London. (Photo by Terry O'Neill)

Amish girls play softball after class during an end of the school year celebration on Tuesday, April 9, 2013 in Bergholz, Ohio. The celebration was also part of a farewell picnic for four women and one man from this tight-knit group in rural eastern Ohio who will enter prison on Friday, April 12, joining nine already behind bars on hate crimes convictions for hair- and beard-cutting attacks against fellow Amish. (Photo by Scott R. Galvin/AP Photo)

Eleven-year-old Kelen loves to dance in the half-built rooms of the centre in Kabanga Refuge Centre, Tanzania, 2012. The rescue centres protect albino people from the vicious hunters who sell their body parts to witch doctors. Photojournalist Ana Palacios, 43, visited the centre in Tanzania three times between 2012 and 2016 to find out more about the plight of albino people. (Photo by Ana Palacios/Barcroft Images)

A 6-week old Fennec fox, the smallest species of foxes, and a native to the Sahara desert in Africa, looks as its mother eats in the Ramat Gan Safari Park near Tel Aviv, Israel, Sunday, November 6, 2016. Sagit Horowitz, the safari spokeswoman said four Fennec foxes were born about six weeks ago. (Photo by Ariel Schalit/AP Photo)

A motorcyclist ferries a pillion rider sitting on goods in Phnom Penh on June 6, 2017. (Photo by Tang Chhin Sothy/AFP Photo)

British Holidaymakers seen partying partying in Punta Bella main Street in Magaluf, a major holiday resort on the Spanish island of Majorca this summer, July 2017. (Photo by Splash News and Pictures)