Britain's Prince Harry kisses and greets his father Prince Charles upon their separate arrival to attend a coral reef health and resilience meeting with speeches and a reception with delegates at Fishmongers Hall in London, Wednesday, Feb. 14, 2018. The event held Wednesday was entitled the 'International Year of the Reef 2018 - An Opportunity for Increasing Coral Reef Resilience through New Collaborative Models' and was convened by Prince Charles' International Sustainability Unit. (AP Photo/Matt Dunham, Pool)