Trail of el Tambor y el Bombo del Bajo Aragón Curiosity · Calanda, Bajo Aragón, Teruel Drum and bass drum playing during Semana Santa in the Bajo Aragón, listed by UNESCO as Intangible Cultural Heritage of Humanity since 2018, centred on Calanda, Alcañiz and Alcorisa. Photo: Juan Emilio Prades Bel (CC BY-SA 4.0) What to see and do in Calanda