elephant
The great circus (1954, May)
Beijing Zoo (1955, September)
The motherland is prosperous, everything looks fresh and gay (1959, August)
A big Zoo (1960)
Looking to guess (Early 1970s)
Joyous and happy together (mid 1970s)
Zoo (1980, March)
Five children acquire science (early 1980s)
Four treasures (2) Glorious universe (1988, June)
