 Completed in 2006, the marketplace is a "power center" that comprises retail stores Christmas Tree Shops, Burlington, Trader Joe's, Staples, TJMaxx, and Bed Bath & Beyond.The area is served by the MBTA Orange Line at Assembly station.In the 17th century, the southern bank of the Mystic River, a low-lying tidal marsh and wetlands area bordered by uplands further south in the current Ten Hills neighborhood, was avoided by the early settlers because of poorly draining clay soils.