Here’s a link to a set of progression photos on the IBC forum. Well worth a look to see what was achieved over 6 years with this tree. I constantly try and talk club members into removing heavy mis-shaped branches and roots from large imported Elms. This chap took the bull by the horns and did it all.
Chinese Elm Progression
By way of credit, this is the guy’s website. It’s in Spanish but Google Translate takes care of that. Check out his Pyracantha if you get a chance. Click on the logo to visit.