Ключевые слова: ache, adult, background, backlit, bottle, care, caucasian, closeup, dehydrated, drink, drinking, evening, exhaustion, fever, fresh, health, heat, heatstroke, hot, hydration, hyperthermia, light, male, man, outdoors, outside, overheating, person, photochemical, prevent, radiation, skin, sky, space, stress, stroke, summer, sun, sunset, sunshine, sunstroke, sweat, symptoms, temperature, thirst, ultraviolet, uv, warm, water, wave,