A Collection of Watercolors and Gouaches by Lei tan 并列题名：A Collection of Watercolors and Gouaches by Lei tan Works collection of watercolor and gouache a collection of watercolor paintings by Kong Kai Ming a collection of piano suites and duets by Yang Kun a collection of art, comics and musings a collection of memoirs and commentary a collection of news and reports by Niu Wenjuan a collection of interior design works by Zhanghong a collection of photography works by Zicai