The deepest hole by far is one on the Kola Peninsula in Russia near Murmansk, referred to as the "Kola well." It was drilled for research purposes beginning in 1970. After five years, the Kola well had reached 7km (about 23,000ft). from 毕节七星关区找美女服务微信1646224真实上门服务毕节七星关区那条街有小妹做服务▷毕节七星关区约美女找服务 kola Post