It's a mountain of festering refuse, a half-hour hike across, emitting clouds of smoke from subterranean fires.

腐烂的垃圾堆积如山，要花上半个小时才能走到头儿，烟雾笼罩宛若来自地下的熊熊火焰。

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It is likely that the remaining fires were hidden from the satellite's view by the thick smoke and scattered clouds.

很有可能是因为浓密的烟雾和分散的云层妨碍了卫星的探测。

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