Ключевые слова: air, background, brown, calamity, clay, coastal, collapse, collapsed, collapsing, corrosion, crack, cross, crumbling, damage, danger, degradation, destruction, dirt, drainage, dry, earth, ecology, empty, environment, eroded, erosion, geology, ground, gully, hazard, land, landslide, layers, natural, nature, pattern, problem, rock, roots, sand, scene, sea, section, soil, surface, texture, threat, tree, wash, water, weathering,