Sent_en: 2zh There are also concerns that a four-story building less than a metre from the edge of the hole may collapse as the earth under the building continues to be eroded.
Sent_yy: 还有人担心，距离洞口边缘不到一米的四层建筑可能会随着建筑物下方的土壤继续侵蚀而倒塌。