Ключевые слова: activity, adventure, asia, asian, attraction, beautiful, boat, cave, culture, destination, eco, ecotourism, forest, green, hanoi, hill, holiday, island, lake, landmark, landscape, limestone, mountain, natural, nature, outdoor, paradise, people, plant, popular, reserve, river, rock, rural, scene, scenic, stone, tour, tourism, tourist, travel, trekking, trip, vacation, vietnam, vietnamese, view, water, wild,