Britain's Queen Elizabeth II (L) views a display of US items of the Royal collection with US President Donald Trump and US First Lady Melania Trump at Buckingham palace at Buckingham Palace in central London on June 3, 2019, on the first day of their three-day State Visit to the UK. - Britain rolled out the red carpet for US President Donald Trump on June 3 as he arrived in Britain for a state visit already overshadowed by his outspoken remarks on Brexit. (Photo by MANDEL NGAN / AFP)