Stone chimneys.
They are formed mainly in dry, arid and hot areas. We find them in different parts of the world, such as Cappadocia, Turkey or Bryce Canyon National Park (USA). In addition to Cuevas del Campo, in Spain these formations are also found in the Ebro Valley, in the Aragonese Alto Gállego, in the Campo de Daroca region (Biescas) and in the Las Nas Reale desert