Correct

塌方

/ tāfāng /
Strokes

Definition

to cave in/to collapse/landslide

Example

As a Verb

cave in; collapse

1
Huǒchē
火车
yīn
fāng
塌方
shòu
受阻
  

The train was held up by a landslide.

2
Tiě
铁路
suìdào
隧道
fāng
塌方
  

The railway tunnel collapsed.

3
堤坝
fāng
塌方
  

The dam has caved in.