Queen Elizabeth II (front) speaks during the D-Day commemorations in Portsmouth, Britain, on June 5, 2019. British Prime Minister Theresa May and 15 world leaders joined Queen Elizabeth II in the English naval port city of Portsmouth Wednesday to commemorate the 75th anniversary of the D-Day landings. (Xinhua)

British Prime Minister Theresa May (R) attends the D-Day commemorations in Portsmouth, Britain, on June 5, 2019. British Prime Minister Theresa May and 15 world leaders joined Queen Elizabeth II in the English naval port city of Portsmouth Wednesday to commemorate the 75th anniversary of the D-Day landings. (Xinhua)

The photo taken on June 5, 2019 shows the D-Day commemorations in Portsmouth, Britain. British Prime Minister Theresa May and 15 world leaders joined Queen Elizabeth II in the English naval port city of Portsmouth Wednesday to commemorate the 75th anniversary of the D-Day landings. (Xinhua)