火山——一个孕育变化的大熔炉,它的骇人听闻的毁灭力量令人胆颤心惊。火山可以使丛林地带变为沙漠,使地球的气候发生重大改变,甚至埋葬整座城市,吞噬、摧毁大片土地,把大批生命,财产烧为灰烬。但火山最终还是仁慈的,生命得以起源的海洋和维持人类生存的湖泊、河流和地下水都是过去几十亿年岁月里火山无数次喷发、凝结的产物;我们呼吸的空气也是火山蒸汽的产物。肥沃的火山土壤在热带地区,为千百万人口生产了维 Volcano - a melting pot of change, it is alarmingly devastating. Volcanoes can make jungle areas into deserts, causing major changes in the earth’s climate. They even bury the entire city, engulfing and destroying vast areas of land, burning a large amount of life and property to ashes. But the volcano is ultimately benevolent, the sea of ​​origin of life and the lakes, rivers and groundwater that sustain human beings are the product of numerous eruptions and condensation of volcanoes in the past billions of years; the air we breathe is also the product of volcanic steam. The fertile volcanic soil produces tens of millions of people in the tropics