maozhang.net
When the "Big Five" sites - Tiananmen, Jinggangshan, Yan'an, Shaoshan and Zunyi - were illustrated, the latter two were usually located within the flanking "embrace" of Jinggangshan and Yan'an; however, there was no consensus as to which two sites were paired on either side of Tiananmen.
50mm 12.2g
63mm 16.0g
h. 37mm w. 34mm 3.9g
51mm 8.7g
45mm 8.0g
46mm 8.6g
45mm 7.9g
50mm 9.2g
42mm 6.5g
43mm 6.5g