Ключевые слова: accident, air, background, blue, catastrophe, concept, danger, design, disaster, drought, elements, environmental, eruption, fall, fire, flood, flowchart, glacier, graphics, hurricane, ice, icon, illustrationinfo, info, informationland, land slide, lava, layout, melting, meteorite, natural, nature, page, pollution, presentation, set, slide, snow, snow fall, storm, template, tornado, tsunami, under, volcano, water, wind,