![UNESCO World Heritage Centre - Document - Porto Wine vineyards, Alto Douro, Tras-os-Montes, Portugal, Unesco World Heritage site UNESCO World Heritage Centre - Document - Porto Wine vineyards, Alto Douro, Tras-os-Montes, Portugal, Unesco World Heritage site](https://whc.unesco.org/uploads/thumbs/site_1046_0008-500--20120806154017.jpg)
UNESCO World Heritage Centre - Document - Porto Wine vineyards, Alto Douro, Tras-os-Montes, Portugal, Unesco World Heritage site
![Vineyards on terraces by Pinhão, Douro river valley, Porto wine growing area, Portugal, Stock Photo, Picture And Rights Managed Image. Pic. B21-2506744 | agefotostock Vineyards on terraces by Pinhão, Douro river valley, Porto wine growing area, Portugal, Stock Photo, Picture And Rights Managed Image. Pic. B21-2506744 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/a352544ab65e54f106f8fbeb2fbcb061/b21-2506744.jpg)
Vineyards on terraces by Pinhão, Douro river valley, Porto wine growing area, Portugal, Stock Photo, Picture And Rights Managed Image. Pic. B21-2506744 | agefotostock
![Porto Wine vineyards, Alto Douro, Tras-os-Montes, Portugal, Unesco World Heritage site Stock Photo - Alamy Porto Wine vineyards, Alto Douro, Tras-os-Montes, Portugal, Unesco World Heritage site Stock Photo - Alamy](https://c8.alamy.com/comp/FR2K8B/porto-wine-vineyards-alto-douro-tras-os-montes-portugal-unesco-world-FR2K8B.jpg)