after the carpet bombing of Japan prior to the atomic bombs dropped on Hiroshima and Nagasaki, there was very little building material for at least the following year, because so much of the island of Japan needed to be rebuilt

Disabled buses that littered the streets of Tokyo were used to help relieve the acute housing shortage in the Japanese capital on October 2, 1946. Homeless Japanese who hauled the buses into a vacant lot are converting them into homes for their families.

https://rarehistoricalphotos.com/after-the-world-war-ii-1945-1947