Mercury and Maia, fueled and overhauled, are waiting in the Tay at Dundee, for favorable weather to start the flight to the Cape, a distance of 6,370 miles. The composite machine moored in the Tay River, at Dundee, on September 23, 1938. (Photo by AP Photo)

“Be prepared” is the motto of petite Doris Sherrell, vocalist and dancer with “Blackouts of 1942”. In the event of a bombing, the young lady had her social security number tattooed on one leg by artist Jack Julian, and address placed on the other limb for means of identification in Los Angeles, September 29, 1942. (Photo by AP Photo)

A disabled child is buried up to his neck in sand during the partial solar eclipse in belief its rays can heal, in Karachi, Pakistan, 25 October 202. A partial solar eclipse occurs when a portion of the Earth is engulfed by the shadow (penumbra) cast by the Moon as it passes between our planet and the Sun in imperfect alignment. During this eclipse - the first of the decade – the Moon appears to cover the Sun, leaving the Sun's halo as a visible rim forming an annulus, popularly known as the 'ring of fire. (Photo by Shahzaib Akber/EPA/EFE/Rex Features/Shutterstock)

A new type of tandem at Alexandra Palace, London. (Photo by Fox Photos/Getty Images). June 1936

A customer buys a box of bullits and a target of Osama Bin Laden October 3, 2001 at Blue Ridge Arsenal in Chantilly, VA. Guns sales have risen across America since the September 11th terrorist attacks. (Photo by Mark Wilson/Getty Images)

Princess Elizabeth with her husband Prince Philip Duke of Edinburgh and their children Prince Charles and Princess Anne. (Photo by Keystone/Getty Images). August 1951

Four year old Kaleb Stanley (R), from Dublin, reaches up to puncture a giant bubble with the help of his seven year old brother Jacob on London's South Bank on May 9, 2008 in England. (Photo by Peter Macdiarmid/Getty Images)

Tourists play in front of a 3D painting on the wall of a house in Luoyuan village, Jinhua, Zhejiang province, August 26, 2015. The village hired a team to put on 3D paintings all over the valley as a method to attract tourists and improve the income of local villagers, according to local media. (Photo by Reuters/China Daily)