Ключевые слова: adult, adventure, alone tourism, back, backside, behind, blue sky, california, camera, casual, caucasian, cell phone, close up, coit tower san francisco, gadget, green, handheld, hiking, jeans, lifestyle, mobile, mountain, one person, outdoor, outdoor clothes, park, people, photograph, photographer, rear view, san jose, scenic, screen, sky, smart phone, smartphone, snapshot, standing, summer, take photo, taking picture, technology, telephone, tourism, tourist, traveler, trip, using technology, vacation, young,