Do you want to walk in the crater of a volcano? Do you want to touch volcanic rocks? You can if you join me on this self guided audio tour through La Garrotxa Volcanic Zone National Park, in the centre of the Catalan city of Olot. I’ll let you in on Volcà del Montsacopa’s secrets along the way. Did you know that the wider region has 40 volcanoes and more than 20 lava flows? We’ll follow a historical trail around the cater to the two...