Ключевые слова: adventure, area, backpacking, camp, charges, china, clean, climbing, country, ecology, ecotourism, electricity, energy, expedition, extreme, generating, generation, green, hike, india, large, man, mobile, mountain, next, nobody, panel, phone, power, remote, shan, sitting, solar, sport, sun, supply, technology, tent, tibet, tour, tourism, travel, tyan, usa, wilderness,