WIndow cleaners hang from ropes outside a high rise building in central Beijing , China , 23 April 2008 . Property prices are expected to increase in the second quarter according to China ' s National Development and Reform Commission , after seeing a 11 per cent rise during this year ' s first quarter compared with the same period last year . EPA / DIEGO AZUBEL < 저작권자 ⓒ 2007 연 합 뉴 스 . 무단 전재 - 재 배포 금지 . >