ice waterfall. wonders of nature. natural winter attraction in northern italy. valganna caves

attraction beautiful cascade cavern caves cold cool danger destination ephemeral ethereal europe freeze frost frosty ganna grotto ice iced icicle icy icycle induno interest italian italy karstic landscape lombardy mountain natural nature north northern olona picturesque province scene scenery snow spectacular sunny tourism touristic travel val valganna varese view water waterfall winter