FLORENCE, ITALY - SEPTEMBER 22:  British Prime Minister Theresa May gives her landmark Brexit speech in Complesso Santa Maria Novella on September 22, 2017 in Florence, Italy. She outlined the UK's proposals to the EU in an attempt to break a deadlock ahead of the fourth round of negotiations that begin on Monday. Florence is often referred to as the "cradle of capitalism" known for its historical trading power.  (Photo by Jeff J Mitchell/Getty Images)