On many islands, water is a valuable commodity even though the land is literally surrounded by it. But fresh water is needed for drinking, bathing, and irrigating crops. The amount of water needed quickly adds up—what happens when you run out? On the Canary Islands, freshwater is obtained in several ways: rainfall, saltwater desalination, and water mines (like the Pajarito water tunnels in La Palma). The last option has been the go-to for the last few decades due to its relative ease. All you really need to do is dig…
