boat face harbour Italy james joyce poet statue trieste architecture building carve carving figurine garden history important literacy poems Poland polish scene sculpture street warsaw write cape europe mountain Portugal roca sea water abyss acid acidic Campi Flegrei chemical chemistry condensation crater crest crevice cristals damp dangerous devil flowers fracture fumarole fumes geologic geology heat hell hot hydrogen landscape Mineral minerals nature polution Pozzuoli rock smell smelly solfatara steam sulfur sulfuric sulphur sulphuric unpleasant vent volcanic volcano vulcano yellow active boil chloride danger dormant earth energy explosion fart fire fog foul gas geothermal ground naples napoli Neaples odor power smoke stink stinking stone view volcanism