steel. >> if you get the right equipment, drones, cameras that can see at night, i mean, i think this will work. >> we were here before the u.s. was the u.s. the wall is not going to make sense. it doesn't make sense. >> this is our heritage. why would anybody want to destroy that? >> as i mentioned nbc news digital producer marshall crook is with us who shot the video we just watched and victor defrancesca from the university of texas, professor, with us. we'll start with you, marshall. what do they think is the next best step in terms of dialogue? what would be the best situation for that to happen? >> i mean, i was with them and they invited donald trump to come down and tour their property and take a look. i think they want any sort of participation. i think they want any sort of reasonable policymaker in washington to come and just recognize that there is a deep historical and cultural attachment to the property as well as their property rights.