are pretty much impossible to build a waum on because of hazardous terrain also you can t put a wall on a river. just science. but for our current president, this isn t enough. and kwhiel the future of the new wall changes every day construction of prototypes took place in october of 2017 in san diego. to take a look at this issue, both structurally and ethically. i m on the american side to talk with engineer dr. karwan. let s talk about the nation rountd where there is a lot of talk about the trump wall it s not connected to any sort of current reality. right, yeah. there were two proposals put out eight prototypes were chosen. the teams were given 30 days to build a 30-foot long and ostensibly 30-foot high wall. you way you describe it it makes sense. he hosted one raltd show. this is back door pitch for another reality show.