wooden fence with boiling water and steam in caldeira velha, são miguel - azores portugal

wooden fence boiling water steam caldeira velha sapound miguel azores portugal path thermal geyser hot cyatheaceae mineral archipelago geothermal volcanic vacation attraction island iconic famous touristic tourism wall stairs wanderlust travelling travel scenic foliage summer plant natural outdoor forest tree park landscape environment green ferns vegetation tropical grande ribeira europe sao aasect ores portuguese