Stream with flowing cool water and green slender grass bending towards the direction of the flow at Khao Yai National Park in Thailand

water stream water running water flowing stream flowing khao yai khao yai national park grass grass in the water plants plants in the water cool water national park national parks in thailand green green grass grass and water reflection water reflecting sunlight ripples ripples in the water waterplants flowing river clear water pure water jungle nature jungles of thailand nature in thailand wildlife long grass movement body of water fresh fresh water stream water stones in the water sand in the water rainforest thailand wildlife in thailand adventure natural world shallow shallow waters forest clean water stream with grass flow