http://www.physicsgames.net/game/Demolition_City.html Place dynamite on the concrete pieces to reduce each building to a pile of rubble. The rubble must be below the blue line to complete a level. <div align="center"><object width="700" height="600"><param name="movie" value="http://www.physicsgames.net/swf/demolitioncity.swf"></param><embed src="http://www.physicsgames.net/swf/demolitioncity.swf" type="application/x-shockwave-flash" width="700" height="600"></embed></object><br>Online Physics Games</div>