wachau valley vineyards in austria on the bank of donau river

niederosterreich nibelungengau niederapara agriculture countryside viniculture weinviertel viticulture historical vineyards mountains sterreich landscape exteriors grapevine undefined kremstal vineyard landmark outdoors industry austria village history ancient farming scenery wachau valley region scenic travel nature europe autumn castle sights winery summer donau lower rural field plant grape river bank area crag wine road vine row