Before air conditioning was common, people used blocks of ice and fire hydrants to stay cool
Most modern American homes didn't have air conditioning until the 1960s. Before then, people had to cool off in other ways.
Most modern American homes didn't have air conditioning until the 1960s. Before then, people had to cool off in other ways.
This article was originally published at: https://www.businessinsider.com/how-people-stayed-cool-be...