Fig. 1From: Microscopic weathering mechanisms of subflorescence and crust patterns in the Nankan Grotto, northern Sichuan, Chinaa Location of the study area. b Photograph of Grotto 107. c Photograph of Grotto 103. d Field photograph of the Nankan Grotto. The Arabic numerals in b, c, and d are the sequential numbers of the BuddhasBack to article page