beautiful sunset at doi mae salong, chiang rai, thailand

sky cloud morning dawn dusk sunrise sunset evening horizon mountain hill sunlight afterglow reflection plain nature landscape sun tree development safety international day eco csr countryside greenery globe peace heaven world environment health earth vacation holiday tourism season outdoor summer background light natural colorful spring scene color travel fresh green mountains forest valley view beautiful scenic blue doi mae salong chiang rai thailand point cukul pengalengan bandung west java indonesia