“Boiling Breakfast Eggs in Hot Springs”, Beppu, Oita Prefecture. Japan, 1942. This picture was published in the

National Geographic

August issue of 1942. A woman in Japanese clothing (viewed from behind) besides a sign warning “dangerous attention” uses a stick and is trying to soak a bamboo cage with eggs in hot water. In the lower part of the stand sign, it reads: “boiled egg half-mature 4 minutes, hardly lean 6 minutes”. (uncredited photographer)

source: natgeo.nikkeibp.co.jp