People push their bicycles across a railway track during rush hour in Shanghai in 1991

A general view shows Hong Kong's Victoria Harbour in 1865

A boy and his father display their soccer skills on a roadside in Beijing in 1981.

Los Angeles 1952

Long Stairway, Mill District, Pittsburgh, by Jack Delano 1940

Little Bohemia 1949

Cleveland 1947

Cincinnati 1940

Cincinnati at flood stage, 1940s

25 April 1930 children playing cricket in a London street, with their wicket drawn on a lamp post.

The 1891 Mino-Owari earthquake struck the former Japanese provinces of Mino and Owari in the Nōbi Plain in the early morning of October 28 with a surface wave magnitude of 8.0.

German officers stand near an observation balloon near the Western Front in this handout picture taken in 1915

German officers sit outside dugouts on the Yser Front in Belgium in this 1917 handout picture

Horn Expedition crossing Lake Amadeus, Central Australia, 1894.

Crossing Lake Amadeus June 1894