Very impressive! 

Your friend did this?! Cool!!

More images:

http://pandawhale.com/post/25190/world-record-for-tallest-lego-tower-112-feet-1175-inches-500000-lego-bricks-assembled-by-a-delaware-school-district

My friend forwarded me this because she went to school there a . . . a while ago. (We're the same age.)

Oh wow. Why did the school district decide to break the world record?