Natural underground reservoir may be hidden in Qihe.

　　Water is the source of life but the domestic water takes only 6% of the global fresh water resources. And the excellent underground water is especially previous .But recently one latest result demonstrates that more than 10 billion cubic meters are hidden under 4000 sq.km. Qihe, Ji’nan and 7.8-9.3 billion cubic meters underground water is restored in 1500 sq.km. ,the middle and western part in Ji’nan , showing there is a huge natural underground reservoir restored in Qihe, according to the expert.