Ключевые слова: accident, adventure, alert, amazing, area, atomic, attention, background, beautiful, branches, bushes, calm, caution, chemical, climate, conifer, coniferous, contamination, control, countryside, danger, dangerous, day, disaster, ecology, energy, environment, fir, flora, fog, foggy, forest, growing, harmful, hazard, hazardous, haze, health, illustration, industry, ionizing, journey, landscape, life, mist, misty, morning, nature, nobody, nuclear, object, outdoors, outside, park, plants, pollution, power, precaution, radiation, radioactive, radioactivity, risk, rural, safety, scene, scenery, scenic, shrub, sign, sky, spruce, symbol, tourism, toxic, travel, tree, trees, trip, view, wanderlust, warning, waste, wild, wilderness, woodland, woods, yellow, zone,