Pro-Brexit supporters holds up placards as they demonstrate outside Downing street in central London on July 13, 2016, on the day new British Prime Minister Theresa May takes over at number 10.
Theresa May took office as Britain's second female prime minister on July 13 charged with guiding the UK out of the European Union after a deeply devisive referendum campaign ended with Britain voting to leave and David Cameron resigning. / AFP / NIKLAS HALLE'N        (Photo credit should read NIKLAS HALLE'N/AFP/Getty Images)