Water Mines on La Palma
Although La Palma has more water than the other Canary Islands, many farmers used to be desperately poor and frequently hungry. The only water for irrigation was rainwater, and obviously they had no control over how much they got. Then somebody suggested digging into the hillside to find water. (If anybody knows who, please tell me.) The idea is that much of the rainwater seeps into the ground, and runs…