Smaller ones in local stone with traditional guttering that collects rainwater would be a better bet, Mr Hebel reckons.
荷伯先生评价说，利用当地石头建立的小一点的楼房，设有传统的排水系统，能够集中雨水，这是个不错的选择。
Most African cities separate fairly neatly into poor and rich areas "like a sunny-side-up egg", with slums spreading out from the rim, says Mr Hebel.
荷伯先生认为，大部分的非洲城市就像一个单煎荷包蛋，贫民区与富民区都异常整齐的分开，贫民区从城市边缘散射开来。
One complete section of the wall in Laiyuan County in north China’s Hebel Province has crumbled because of mining along a 94-mile stretch, according to a report by the People’s Daily.
据人民日报报道，河北省涞源县一整段的城墙由于人们疯狂采矿而彻底崩塌，河北省古代建筑保护研究所工程师郭建永说：“我们不知道究竟有多少企业正沿着长城脚下采矿。”
One complete section of the wall in Laiyuan County in north China’s Hebel Province has crumbled because of mining along a 94-mile stretch, according to a report by the People’s Daily.
据人民日报报道，河北省涞源县一整段的城墙由于人们疯狂采矿而彻底崩塌，河北省古代建筑保护研究所工程师郭建永说：“我们不知道究竟有多少企业正沿着长城脚下采矿。”
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