Minecraft A Documented Story: Episode 7 20+ Diamonds(One Day)
Channel: MrOverwhelmingDark
Date: 2011-06-15

I show you that i found over 20+ diamonds in one day if you include the ones i actually took earlier. Plus my railway system. 
Definitely also watch Christina Grimmie!
http://www.youtube.com/user/zeldaxlove64#p/u
http://www.youtube.com/watch?v=PT8gcZh_42w  (Just a dream Cover)
http://www.youtube.com/watch?v=J4Mb5Yt_ylk (E.T Cover)