Nursery school children at play wearing their gas masks. This photo seems to suggest that wearing gas masks could be fun. The masks were not very nice to wear though. To keep the mask from steaming up, you put soap on the plastic lens.
World War II - Boys clear rubble and begin to prepare the ground with spade, fork and rake, in order plant beans on a makeshift allotment on a London bomb site. The seeds they will be planting were sent to them from America.