Figure 5.
The comparison of monitoring objects in site photos and reconstructed modeling: (a,b) scarp, (c,d) wall A, and (e,f) wall B.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.