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Some shore towns eye sea walls to guard boardwalks

The operator of a pile driving machine, right, pulls a lever to begin raising a support plank for the new Belmar N.J. boardwalk on Monday, Jan. 21, 2013. Belmar is one of several shore towns that are adding steel sea walls as an added layer of protection for the boardwalk as they rebuild walkways damaged by Superstorm Sandy. (AP Photo/Wayne Parry)