Fig. 12
Map of the 3 known and 14 unknown locations. Among them, \(L_1^{\text {kn}}\) is the Chengdu Shuangliu International Airport (Chengdu, Sichuan, China).
Fig. 12 | Scientific Reports
Map of the 3 known and 14 unknown locations. Among them, \(L_1^{\text {kn}}\) is the Chengdu Shuangliu International Airport (Chengdu, Sichuan, China).
