we'll learn more on that tax reform plan in a little bit. milestone for president trump's southern border wall. as crews break ground on eight different pro-to types. now working on day two of what is expected to be a month long project. adam housely is live near the mexico border. >> reporter: this is where people go in to go down to the border wall. we just came back from the actual site itself. maybe half acre all told if you put all the eight different areas together. each company which is six companies building the eight different designs have a prototype. 30 days from today is when the actual process will begin to evaluate whether the border patrol likes any of those designs. will they take one, all eight? the companies have that time frame to get those the size of your back yard put up. we were out there this morning. you can see the dirt moving, the pilings being done.