On a tight curve on a dirt road, rock fall spat off the top of the 30-foot bank, pelting the road. By the looks of the piles of debris in the carriageway, it had been doing this for hours. Rockslides seemed to be a normal occurrence along the road to the R铆o Mara帽贸n in Peru鈥檚 Andean Cordillera Blanca. This landscape is active!