P5 delegation members from the U.K., France and the U.S. attend a pannel discussion after NPT conference...
Delegation members from the UN Security Council's five permanent members (P5), Philip Barton of the United Kingdom, Andrea Thompson of the U.S. and Nicolas Roche of France (L-R) attend a pannel discussion after a Treaty on the Non-Proliferation of Nuclear Weapons (NPT) conference in Beijing, China January 31, 2019. REUTERS/Thomas Peter/Pool