a canal in the middle of green rice fields , in asia, in vietnam, in tonkin, in dien bien phu, in summer, on a sunny day

vietnam tonkin dien bien phu canal green rice fields landscape nature agriculture river scenery scenic tranquility exploration environment vegetation rural beauty countryside travel discovery harmony calm picturesque remote areas rurality geography tradition culture irrigation agricultural contrast field ecotourism spot terraces authenticity serenity getaway beaten track destination exotic wonder