Ключевые слова: activities, adventure, architecture, astronomical, astronomy, bonding, camp, campsite, celestial, community, conversation, day, enjoyment, equipment, exploration, field, friends, fun, gathering, grass, group, happiness, instrument, landscape, leisure, mountain, mountaintop, nature, observatory, outdoor, outdoors, people, picnic, recreational, relaxation, scientific, shade, sitting, sky, socializing, stargazing, stars, structure, summer, sun, sunny, telescope, tripod,