Twin Cities bridge debuts 30-foot tall pollution-sucking sculpturesPosted Oct 7th 2008 7:55PM by Jeremy KorzeniewskiFiled under: Etc., GreenTwo statues have debuted on Minnesota's new Interstate 35W Bridge that are shaped to look like the international cartographic symbol for water. Why? Besides mimicking the look of the Mississippi River as it passes through Minneapolis, the new sculptures are ma... more.