How is a highway pavement collapse or collapse?

{"info":{"title":{"content":"高速公路路面塌方或者塌陷是怎么样形成的","en":"How is a highway pavement collapse or collapse?"},"description":{"content":"高速公路塌方涉及到很多因素，有本身的地理因素原因，也有天气原因，也有施工质量原因，同时也有后期的公路养护原因。一、高速公...","en":"There are many factors involved in highway collapse, including its own geographical factors, weather reasons, construction quality reasons, and later road maintenance reasons. 1. High-speed public ..."}},"items":[]}