Fig. 3. A: Drilling of vertical hole. B, C: Wire saw in operation, cutting large blocks into smaller sections. D: Excavator extracting blocks. E: Transport of chainsaw. F: Chainsaw undergoing maintenance. G: Bulldozer extracting blocks. H: Excavator extracting blocks. I: Final cut of block for selling. A-D: ­Upper benches. E-I: Lower benches. Photos: B. Khoshabadi (2021)