unesco world heritage, blue grapes from the douro valley endless lines of vineyards, in peso da regua, vila real.

agriculture and autumn blue branch bunch closeup color colored countryside culture douro drink endless europe farm farming field food fresh fruit grape grapes grapevine green growing healthy heritage leaf leaves lines making minho natural nature north organic peso plant portugal portugaln portuguese purple real region regua ripe rural season toned tree unesco valley vila vine vineyard vineyards vino viticulture wine winery world