A concrete block used for D-Day is pictured on the Arromanches beach, just after Gold Beach, Normandy, France, is pictured Tuesday, May 28, 2019. (AP Photo/David Vincent)
Flags line up on a dune over Arromanches beach, Normandy, France, is pictured Tuesday, May 28, 2019. (AP Photo/David Vincent)
Remains of artificial bridges set up for D-Day are pictured on the Arromanches beach, just after Gold Beach, Normandy, France, is pictured Tuesday, May 28, 2019. (AP Photo/David Vincent)
People walk by remains used for D-Day on the Arromanches beach, just after Gold Beach, Normandy, France, is pictured Tuesday, May 28, 2019. (AP Photo/David Vincent)
The Arromanches beach, just after Gold Beach, Normandy, France, is pictured Tuesday, May 28, 2019. (AP Photo/David Vincent)
Concrete blocks used for D-Day are pictured on the Arromanches beach, just after Gold Beach, Normandy, France, is pictured Tuesday, May 28, 2019. (AP Photo/David Vincent)
Remains of artificial bridges set up for D-Day are pictured on the Arromanches beach, just after Gold Beach, Normandy, France, is pictured Tuesday, May 28, 2019. (AP Photo/David Vincent)
This photo taken on Tuesday, May 28, 2019, with a drone show Omaha Beach near Colleville-sur-Mer, Normandy, where American troops landed on D-Day. (AP Photo/David Vincent)
D-Day beach Gold beach, where British troops landed on June 6 1944, is pictured Wednesday, May 29, 2019, near Asnelles, Normandy, France. (AP Photo/David Vincent)
D-Day beach Gold beach, where British troops landed on June 6 1944, is pictured Wednesday, May 29, 2019, near Asnelles, Normandy, France. (AP Photo/David Vincent)
This photo taken on Wednesday, May 29, 2019, with a drone, shows Gold beach, near Asnelles, Normandy, and where British troops landed on D-Day. (AP Photo/David Vincent)
This photo taken on Thursday, May 30, 2019, with a drone shows Pointe du Hoc, near Colleville-sur-Mer, Normandy. (AP Photo/David Vincent)
This photo taken on Thursday, May 30, 2019, with a drone shows Pointe du Hoc, near Colleville-sur-Mer, Normandy. (AP Photo/David Vincent)
D-Day beach Gold beach, where British troops landed on June 6 1944, is pictured Wednesday, May 29, 2019 near Asnelles, Normandy, France. (AP Photo/David Vincent)
This photo taken on Thursday, May 30, 2019, with a drone shows Pointe du Hoc, near Colleville-sur-Mer, Normandy. (AP Photo/David Vincent)
This photo taken on Tuesday, May 28, 2019, with a drone shows crosses at the American Normandy cemetery in Colleville-sur-Mer, Normandy. (AP Photo/David Vincent)
This photo taken on Thursday, May 30, 2019, with a drone shows Pointe du Hoc, near Colleville-sur-Mer, Normandy. (AP Photo/David Vincent)
This photo taken on Wednesday May 29, 2019 with a drone shows Gold beach, near Asnelles, Normandy, and where British troops landed on D-Day. (AP Photo/David Vincent)
This photo taken on Wednesday May 29, 2019 with a drone shows Gold beach, near Asnelles, Normandy, and where British troops landed on D-Day. (AP Photo/David Vincent)
This photo taken on Tuesday, May 28, 2019, with a drone shows crosses at the American Normandy cemetery in Colleville-sur-Mer, Normandy. (AP Photo/David Vincent)