painting collection from Xiaoxiao' Studio Chinese painting collection from Wanhuatang Studio 中国嘉德2015春季拍卖会．萧萧画缘．painting collection from Xiaoxiao' Studio painting collection of the Museo Sorolla Chinese painting collection from the four seas Paintings and drawings from the Venice studio painting collection of China's fifty-six ethnic groups 凝固岁月oil painting collections of yuan xiaolou