Yan was invited to create the illustrations for 'Pottier's Biography' published by The People's Literature Press.

Eugene Pottier's historic song is known to tens of millions of proletarians.

Eugene Pottier in the commune members of the commune shortly after the failure of the Huibi wrote a true momentum pound "Internationale", is a case in point.

" Cao Xueqin and the "Internationale" as the author of Pottier, are standing people-oriented position on the sovereign will of the human characteristics of self-calling and boosting.