[Mexican presidential candidate Manuel Avila Camacho (center) with politicians, Mexico City]

[Two provincial politicians sleeping on a train after a visit to the capital, Mexico]

[Lines of people waiting to vote in the presidential election, Mexico City]

[Guards on top of roof at poling place on election day, Mexico City]

[Mounted policemen attempting to limit violence between two major factions on election day, Mexico City]

[Funeral procession for those killed on the day of the presidential elections, Mexico City]

[Home Guard warden and woman share tea in an air-raid shelter, London]

[Woman and dog outside row of houses on Whichcote Street, in a heavily bombed neighborhood, London]