User blog comment:Drkdragonz66/Black Ops II Live on TwitchTV from August 15-19/@comment-173.51.248.10-20120817055339/@comment-68.184.16.59-20120818193333

There is interactivity. We know that in Cargo, a crane in the map's center periodically relocates crates, which changes the available sight lines. No other examples were seen in the other maps shown at GamesCom, but there'll probably be some more in the remaining maps.