专家一致认为塌陷与岩溶关系密切,但查15万深圳地质图及隧洞详勘报告,老屋村地下并无岩溶地层。
All the experts thought that the ground collapse was closely related to karst . But according to Shenzhen geological map of 1 ∶ 50000-scale and the detailed investigation report , there was no karst stratum in Old House area .