volcan 2

acid acide altitude basaltic big bord brouillard calcaire cloud costa costarica crater cratere eau eruption eteint extinct fog fumarole fumee geological geologie geology green haut high hiking hills hole horizontal lac lake landscape lave limestone magma montagne mountain nuage paysage peak poas rica ridge roche rock smoke sommet souffre soufre steep sulfer sulfur sulphur trou turqoise vert view volcan volcanic volcano vulcan water