The team then conducted digs in Belize's Crooked Tree Wildlife Sanctuary. The ancient fish canals, paired with holding ponds, were used to channel and catch freshwater species such as catfish.

A smart water system created 1,500 years ago by an ancient Amazonian urban society turned swampy savanna into fertile farmland that produced corn all year round, a new study has found.

This is a painting that dates back thousands of years to Ancient Egypt ... They built a system of canals to bring the water to the crops a process that's called irrigation. So it's no accident ...