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这是我们在2017年为美国纽约大学的学弟学妹们写的一篇地理类essay，开篇introduction介绍文章的背景和相关的信息，指出位于戈马以北18公里处的尼拉贡戈火山位于非洲中东部，人口为60万。尼拉贡戈山有世界上最大的持续熔岩湖，直径200米。 直径1.3公里，这是一个山顶火山口。 它比戈马的高度高1.5公里。
Mount Nyiragongo, which is 18 km north of Goma, locates on east-central Africa with population of 600,000. Mount Nyiragongo has the largest persistent lava lake in the world which is 200 m diameter. The diameter is 1.3 km, which is a summit crater. It is 1.5 km higher than Goma’s altitude.
Mount nyiragongo is caused by the rifting from the crust of earth, in which two parts of the African Plate are breaking apart(Demant, Lestrade et al., 1994), Mount nyiragongo is a composite volcano. There is great activity at Nyiragongo because of the hot spot. The lava emitted in eruptions at Mount Nyiragongo is unusually fluid which are made of melilite nephelinite. It is an alkali-rich type of volcanic rock. the unusual chemical composition of which might be a factor causing the unusual fluidity of lavas.
中间的body部分继续阐述自己的观点并且加以佐证，指出尽管存在潜在危险的危险，但由于其肥沃的火山土壤和靠近湖泊，人们仍然有很大的吸引力。 而且，破坏给了他们建造更大房屋的机会。尼拉贡戈山每年都吸引着来自世界各地的游客。由于大自然的一面，爆发火山更容易看到，并且正在吹红热灰。
Despite the potentially dangerous dangers, there is still a great attraction to the people because of its fertile volcanic soil and close to the lake. What’s more, the destruction gave them the opportunity to build bigger houses.
The prime advantage of mount Nyiragongo is tourism(Erfurt-Cooper and Cooper, 2010). Mount Nyiragongo attracts visitors from worldwide every year. Erupting volcano is much easier to see and is blow red hot ash because of the wilder side of nature. Even the less active ones with steam and smoke have become impressive sights. Such sights have attracted many tourists from worldwide. Around mount Nyiragongo, many interesting places such as warm bathing lake, steam vents, and bubbling pools locate there. Jobs in markes, restaurants, hotels and parks are also created by tourism. Mount Nyiragongo is much important in the process of transforming eastern Congo into a tourist attraction for optimistic businessmen. Operators of tour also hire porters to carry tents as well as hiring tourism guides and teaching English.
最后是conclusion的部分，指出尼拉贡戈火山喷发有前兆信号。下一次爆发时，天文台工作人员正在制定风险缓解和撤离计划。有一套色彩和警报系统可以告诉居民他们是否需要撤离戈马。在天文台外面，一面破烂的旗帜挂在褪色的广告牌上方，警告不同级别警报的居民。
There are precursory signals for eruption of Nyiragongo. The observatory staff is also preparing plans for risk mitigation and evacuation for when Nyiragongo next erupts. There is a system of colors and sirens to advise the population if they need to evacuate Goma. Outside the observatory, a tattered flag hangs above a faded billboard warning residents of the different levels of alerts.
Is it worth living near volcano? The localized carbon dioxide, which is also known as mazuku, has killed many children. Without the wind’s dispersing effects, its effects can be deadly in places where the gas spread from high levels. For most people, Nyiragongo with a vast lake of fire is in the state of slumbering menace. According to local reports, however, a new vent in the northeast crater edge had been discovered on March 8th, 2016. Following by are rumblings from the volcano. More specifically, this could lead to a flank eruption in the near future. That’s mean people in such region are under great dangerous every day. Considering so many drawbacks from eruption, it is better not to live near volcano.
