panorama of autumn river landscape in jet khot nature study centre, thailand at sunset. sun shine over water lake or river at

cloud sunrise landscape sun nature water lake sunset tree reflection evening horizon sunlight morning sky beauty forest summer dawn light scenic orange autumn outdoor river dusk calm vacation mountain sunshine blue bright background travel peaceful relaxation dramatic scene twilight fog ocean rural tranquil shore wood park colours silhouette gold panorama jet khot study centre thailand sunset shine sunrise sunny morning woods foliage riverside