Source: http://valltergaming.blogspot.de/2013/06/plan-for-today.html
‘Wide Park’ map will be limited to level 4-6 of battles (please, take a look on MM chart in previous posts, to understand, which tanks will get there) for randoms. It will still be available for everyone in CW or training rooms.
Well, looks like no tier 10 peekaboos anymore :)