As heard on In The Loop

LONDON - AUGUST 18: A lifeguard watches as swimmers enjoy the water at Hampton outdoor heated pool on August 18, 2008 in London. At one time London could boast more that 50 open air pools - currently there are about 15 operating in and around the capital. (Photo by Peter Macdiarmid/Getty Images)File photo of a lifeguard by a pool. (Photo by Peter Macdiarmid/Getty Images)