wachau valley vineyards in austria

rock formation cliffs bank donau vineyards lower austria formations klettergarten climbing area crag mountains wachau valley niederösterreich wine road region nibelungengau kremstal agriculture rural vineyard countryside vine scenic building field viniculture architecture village travel landscape old nature landmark country weinviertel viticulture history europe autumn exteriors castle historical sights grapevine ancient plant winery row grape outdoors industry locations medieval farming summer scenery church gothic burg falkenstein fort outside river