More details of Els's work is available here:
www.europeantour.com(link on the left of the leaderboard page)
A hole by hole guide to changes including excellent comparative graphics:
Evidently adding length makes sense to challenge the Pros, but fiddling with Colt's par 3s? And eliminating the opening to the greens on 1 and 18 to disallow the run up shot? Ernie wants to change the greens as well. I see that Paddy Harrington moans he can't read them as it is