I had to post this. The Downtown Standard in LA has nothing on the newly built Sky Park in Singapore. The renderings look like something out of the future that wouldn't ever be built. However they made it a reality. Now we just need to get a flatland jam going up in the sky!
I found this clip as well. Looks like a perfect flatland area to me.
(Skip to 1:19 in the video) Just KOG the floor for protection and Boo YA! Flatland Jam!