Drifting clouds hovering above the rolling mountains and forest of Khao Yai National Park viewpoint, a World Heritage Site in Nakhon Ratchasima province in Thailand

landscape thailand time lapse sky picturesque clouds gray moving view point scenic scenery rainforest forest jungle mountains trees blue dark windy unesco world heritage fluffy puff white fog shadow blue skies fluffy clouds shadows canopy rainforests woodlands sunlit horizon shades grey clouds world heritage site rolling hills cloud formations canopies national park khao yai lights and shades sunlight