BALTIMORE (AP) — Some Baltimore school children are joining federal and state officials in celebrating the transformation of a polluted South Baltimore waterfront into an environmental preserve.

Lt. Gov. Anthony G. Brown and U.S. Rep. John Sarbanes are leading the event Wednesday at Masonville Cove.

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The 11-acre nature area is part of a $22 million project to restore one of Baltimore harbor’s most polluted areas.

More than 60,000 tons of trash and debris dating back more than a century have been removed, along with invasive plants and sickly trees.

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The area is being replanted with native trees, shrubs and wetland plants.

The nature area offers walking trails, fishing and bird-watching. A pier on the nearby Patapsco River provides access for kayaks and canoes.

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