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Good Question: Why Not Bury Power Lines?

This past weekend's storm caused the power worst outage the state's ever seen, and mostly caused by trees striking power lines. Xcel Energy says two-thirds of its lines are above ground. So, Wayne from Bloomington asked: Why don't utility companies bury some of those power lines? Heather Brown answers this Good Question (2:29).

WCCO 4 News At 10 – June 24, 2013