The Botijo, an ancient jug designed to keep water cool.

Botijo on stone
Botijo on stone, CC BY-SA 4.0

The interesting people at Atlas Obscura, published a fascinating article about a very old type of jug used by Spaniards to cool water. Known as a Botijo, it dates back between 1,700 and 1,500 BC and its unique design can decrease water temperature down to 50ºF in just an hour during a hot summer day.

Read the full story – https://www.atlasobscura.com/articles/botijo-jug