FIGURE 1.
Geographical location of Dujiangyan in relation to the epicentre of the 2013 Ya’an earthquake, China.
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.