Sunset over Ribeira district and former Episcopal Palace, UNESCO World Heritage Site, Porto, Portugal, Europe

travel destination photography horizontal colour image europe sunset building exterior unesco unesco world heritage site architecture portugal portuguese culture porto palace episcopal palace ribeira district national landmark old the past history 12th century city douro river douro river elevated view ship cityscape sunlight incidental people cable connection on the move transportation overhead cable car roof ribeira places of interest outdoors colour color image color outdoor outside tourist destination travel architectural background people people in the background historical historic heritage cultural culture transport unesco world heritage sites world heritage site world heritage sites cities typically portuguese traditional culture tradition traditional traditionally portuguese sundown dusk twilight european