The Cave of Swords (Cueva de las Espadas) and the Cave of the Crystals (Cueva de los Cristales) in the Naica Hills, Chihuahua, Mexico are named after the extraordinary gypsum crystals that have formed there.
The Cave of Swords (Cueva de las Espadas) and the Cave of the Crystals (Cueva de los Cristales) in the Naica Hills, Chihuahua, Mexico are named after the extraordinary gypsum crystals that have formed there.