Figure 3.
Gratitude plate engraved on the Arc de Triomphe (Paris, France). (Hôpital Militaire du Val‐de‐Grâce)
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.