
Policemen stand in silent tribute at the tomb of Xu Xiujuan, a worker at the nature reserve who devoted her life to protecting the red-crowned cranes until her death in 1987. (Source: china.org.cn/ Zhang Shanyu)

Policemen stand in silent tribute at the tomb of Xu Xiujuan, a worker at the nature reserve who devoted her life to protecting the red-crowned cranes until her death in 1987. (Source: china.org.cn/ Zhang Shanyu)