01 Mar 1973, Hanoi, Vietnam — Two little children sit under a roof of a provisional reconstructed house, where laundry has been put up, in Kham Thien, a part of Hanoi in North Vietnam, photographed in March 1973. The United States of America flew about 2,000 air attacks on cities and targets in North Vietnam during the “Christmas bombings” in 1972. The peace agreement was signed on the 27th of January in 1973 in Paris. Photo: Werner Schulze — Image by © Werner Schulze/dpa/Corbis