Green Park

A couple read on deck chairs in Green Park in central London as temperatures soar on September 14, 2016.  Britain continued to enjoy sizzling heat on September 14, after temperatures soared to to 34.4 in Kent south east England on September 13, the hottest September day in over a century.  / AFP PHOTO / Daniel Leal-OlivasDANIEL LEAL-OLIVAS/AFP/Getty Images

Daniel Leal-Olivas/AFP/Getty

A couple read on deck chairs in Green Park in central London as temperatures soar in London 

LONDON, ENGLAND - APRIL 22:  Members of the King's Troop Royal Horse Artillery fire a 41-gun royal salute in Green Park to celebrate Queen Elizabeth II's 87th birthday on April 22, 2013 in London, England. Gun salutes in honour of the Queen's birthday have been postponed by one day this year as her actual birthday, which is on April 21st, fell on a Sunday.

Oli Scarff/Getty

Members of the King’s Troop Royal Horse Artillery fire a 41-gun royal salute in Green Park to celebrate Queen Elizabeth II’s 87th birthday (April 22) in London, England. Gun salutes in honour of the Queen’s birthday have been postponed by one day this year as her actual birthday fell on a Sunday.