11. Delegation members from the People’s Republic of China at the San Diego Zoo, California, USA, 1980.
12. Best legs competition in Cliftonville, England, 1936.
13. Exhausted U.S. Army nurse Amy Stuart, 5th MASH unit in Saudi Arabia naps on a cot while hugging a teddy bear sent by her family during Operation Desert Storm, 22 Feb. 1991.
14. A forgotten age of open-air schools in the Netherlands, 1957.
15. Frank Sinatra stepping out of a helicopter with a drink, Hollywood, 1964.
16. Tsar Nicholas II took a mirror selfie, the 1900s.
17. Greek girl wearing a traditional costume in Thesprotia, Greece, the 1950s.
18. Carnevale di Corleone in Palermo, Sicily, 1985.
19. Violet Albina Gibson, the woman who attempted to kill Benito Mussolini, Roma, 7 April 1926.
20. Members of the US treasury guard regiment in Washington DC, 1863.
You can see the unfinished Washington monument in the background. Although construction began in 1848, lack of funding caused a delay of over two decades, from 1854 to 1877.