Fig. 9

a, b Larger Tianche can be expanded from a smaller one; c structure and member names of a quadruple-legged Tianche, with the numbers in the figure corresponding to the listing in Table 1. Sources: the authors

a, b Larger Tianche can be expanded from a smaller one; c structure and member names of a quadruple-legged Tianche, with the numbers in the figure corresponding to the listing in Table 1. Sources: the authors