sankt goar, germany - 08 04 2022: castle ruin rheinfels with vineyards in background

hill town village valley landscape mountain plateau ruins fortification estate landmark river sankt goar germany 2022: castle ruin rheinfels sank goarshausen northern small lorelei passage loreley rock written historically versions found still modern days narrow mittelrheintal dangerous summer drought sandbanks reef rocks visible water level middle rhine area unesco world heritage castles