Citrus Fruit, Orange, Plant, Fruit, Produce, Grapefruit, Nature, Outdoors, Countryside, Field, europe, portugal, porto, douro, douro valley, douro river, valley, portugal river, rio, rio douro, entre os rios, alpendurada, fruit, fruits, orange, tree, orange tree, plantation, orange plantation, garden, agriculture, commerce, plant, landmass, estate, district, plant part, urban area, cultivation, industry, plot, transaction, port, woody plant, european country, rio de janeiro, farming, city, production