Britain's Prime Minister Theresa May (R) greets China's Vice Premier, Ma Kai, as he arrives in 10 Downing Street, in London November 9, 2016 in London.

Britain's Prime Minister Theresa May (R) greets China's Vice Premier, Ma Kai, as he arrives in 10 Downing Street, in London November 9, 2016 in London.

© 2016 Reuters