Wallenda, who hails from multiple generations of high-flying daredevils, had a near fall as he stumbled on a tightrope above Baltimore's Inner Harbor earlier this year.

CNN: Daredevil completes walk across Niagara Falls

He said inner-city London had experienced the biggest drop, with Lambeth losing more than 300 officers - a fall of nearly 25% - Southwark losing 222, Lewisham losing 112 and Westminster losing 453.

BBC: London

He transformed the association's previously impenetrable inner sanctum, moving the entire operation from Lancaster Gate to new offices in Soho Square and overseeing a fall in the average age of staff from 55 to 32.

BBC: Profile: Adam Crozier

"We are expecting a different degree of price correction in different cities, with major and coastal cities likely to see (bigger declines in prices) this year compared to the inner cities, " said Daiwa Capital Markets analyst Danny Bao, who added that he expects property transaction volume to fall 10% this year.

WSJ: China Home Prices Fall Again