main cities of gansu: dunhuang, jiayuguan, lanzhou, wuwei, xiahe, zhangye, tianshui, yumen, jinchang
gansu features a land area of 455,000 square kilometers, including 3.53 million hectares of cultivated land or 0.14 hectare per capita, 16.64 million hectares of grassland, and 4.26 million hectares of forests with a standing timber reserve of 200 million cubic meters. in addition, there are 1 million hectares of wasteland suitable for agriculture, 6.66 million hectares of wasteland suitable for forestation, and 4.76 million hectares of mountain slopes suitable for livestock breeding.