Ключевые слова: 60s, active, alone, back, barefoot, beach, calm waves, downtown skylines, elderly, footprints, freedom, happiness, healthy, high rise buildings, holding, korean man, leisure, lifestyle, light jacket, mature, nha trang vietnam, ocean, outdoor, peaceful, people on the beach, rear view, relaxation, rest, retired, retirement, sand, sandals, scenery, sea, seashore, seaside, senior, senior man walking, seniors, shoreline, slow, strolling, tourism, tourist, tropical beach, vacation, walking, walking away, water, white sandy beach,