It certainly wasn't a feeding frenzy, but the bidding was persistent and determined at Christies November 29th Hong Kong auction of C20th Chinese and Contemporary Asian art.  Lots by masters such as Chu The-Chun and Zao Wou-ki were heavily contested.  A beautiful oil on canvas depicting falling snow Vertige Neigeux, 1990-1999 (lot 1020) by Paris-based Chu The-Chun amazed the 400 strong audience to achieve a hammer price of HK$40million (US$5.15m) off an opening bid of HK$13million.  It was chased by at least 3 buyers on the phones and 2 bidders in th