山西北部,塞外高原,古城大同,历史悠久,北魏京华,辽金陪都,名城之基,由此奠就。大同属山西省生态环境脆弱地区之一,大陆性季风气侯明显,春季干燥多风,夏季干旱炎热,冬季漫长寒冷,年均气温5.5℃,年均降水量380毫米左右。明代诗人王越曾这样写道:雁门关外野人家,不植桑榆不种麻,百里并无梨枣 Northern Shanxi, the Great Wall outside the Great Wall, the ancient city of Datong, has a long history, the Northern Wei Jinghua, Liao and Jin capital, city base, which lay. Datong is one of the ecologically fragile areas in Shanxi Province. The continental monsoon climate is clear. The spring is dry and windy. The summer drought is hot and the winter is long and cold. The annual average temperature is 5.5 ℃ and the annual average precipitation is about 380 mm. Ming Dynasty poet Wang Yue wrote: Yanmenguan outsiders, not planting Sangu not sesame seed, there is no pear dates