Ключевые слова: active, adventure, backpack, backpacker, backpacking, boots, boy, cable, camp, campsite, charging, ecology, ecotourism, electricity, energy, expedition, extreme, future, generation, green, high, hike, hiking, man, mobile, mountain, natural, nature, outdoor, panel, person, phone, power, rest, solar, sport, sun, supply, tall, tea, technology, tent, top, tourism, touristic, travel, trek, trekking, usa, walk,