XIN [Xinyuan Real Estate] SC 13G/A: (Original Filing)
[SCHEDULE 13G Amendment No.1 Xinyuan Real Estate Co., Ltd. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 98417P105** (CUSIP Number) December 31, 2010 (Date of Event Which Requires Filing of this Statement) o o þ *The remainder of this cover page shall be filled out for a reporting person’s initial filing on this]