Ключевые слова: adventure, alternative, background, beautiful, camp, camping, campsite, change, city, clean, climate, color image, concept, development, dusk, eco, ecological, ecology, ecosystem, emission, energy, environment, environmental, environmental conservation, evening, forest, friendly, green, horizontal, industry, journey, jungle, landscape, leisure, lifestyle, map, modern, mountain, natural, nature, outdoor, people, plane, plant, rainforest, sky, social issues, sunset, sustain, sustainability, sustainable, technology, tent, tour tourism, tourism, transport, transportation, travel, tree, tropical, vacation, water, zero,