the sankt martin chapel above the reservoir lake gigerwaldsee or chapel of st. martin in the unesco world heritage tectonic arena

activities alpine alps ancient architecture arena attraction background beautiful building chapel church clouds countryside destination exterior famous gigerwaldsee heritage hike hiking historic history holiday lake landmark landscape light martin medieval mountain mountains natural nature old outdoor outdoors panoramic religion reservoir rock sankt sardona scenery scenic schweiz summit sunny swiss switzerland tectonic tektonikarena top tourism tourist tower tracking travel unesco unescowelterbe vacation valley view wall world