Freepik
    Backpacker trekking to study nature of tropical forest for ecotourism. Tourist trekking to see the beauty of the tropical forest in Khao Yai National Park. UNESCO World Heritage Area, Unseen Thailand.

    Backpacker trekking to study nature of tropical forest for ecotourism. Tourist trekking to see the beauty of the tropical forest in Khao Yai National Park. UNESCO World Heritage Area, Unseen Thailand.