again, one of those researchers is gregory de pasco, a few kilometers away. he's working to answer these questions so vital the green vics future. i think i was always curious. i really loved mountains. so i was really curious, why mountains are there? why do you have, you know, areas that are flat and why do you have areas, you know, big spike, you peaks like the elves, the and these are the rocky mountains tectonics that are really the driving force. it's kind of a balance between tectonics and climate. gregory to pass go, teaches tectonics and structural geology at the university of iceland. t in the background is just the lucky in graduate student. danielle forester are studying the fisher's and the earth's crust from the air tracking how they change here, and where it's really smoking a lot is where it's hitting the barriers. so we're doing repeated surveys of the tracts over time with drones. and so we can use drones to surveys, we're doing high resolution photography and the photos. we can states together using the modeling technique called photogram e