furnas geyser sacks sewing sweet corn cobs, a typical snack from the island of são miguel, azores portugal

activity archipelago azores boiler boiling caldeira caves cobs cooked cooking corn droplets europe famous ferric food fumarole furnas geology geothermal geyser high hot iconic island landscape miguel mineral outdoor park portugal portuguese sacks sao sewing smoke snack steam sulfur sulfuric sweet temperature thermal tourism touristic tradition traditional travel travelling typical vacation vapour volcanic volcano çores