
Workers look over the remains of a 30-foot long wood-hulled vessel found on the World Trade Center construction site in New York, New York, USA, 15 July 2010. The vessel, which was discovered on 13 July 2010 and that archeologists are estimating dates from the mid- to late 1700s, was found during construction work at the site. EPA/JUSTIN LANE

Workers look over the remains of a 30-foot long wood-hulled vessel found on the World Trade Center construction site in New York, New York, USA, 15 July 2010. The vessel, which was discovered on 13 July 2010 and that archeologists are estimating dates from the mid- to late 1700s, was found during construction work at the site. EPA/JUSTIN LANE

Workers look over the remains of a 30-foot long wood-hulled vessel found on the World Trade Center construction site in New York, New York, USA, 15 July 2010. The vessel, which was discovered on 13 July 2010 and that archeologists are estimating dates from the mid- to late 1700s, was found during construction work at the site. EPA/JUSTIN LANE

Construction workers watch as archeologists look over the remains of a 30-foot long wood-hulled vessel found on the World Trade Center construction site in New York, New York, USA, 15 July 2010. The vessel, which was discovered on 13 July 2010 and that archeologists are estimating dates from the mid- to late 1700s, was found during construction work at the site. EPA/JUSTIN LANE

Workers look over the remains of a 30-foot long wood-hulled vessel found on the World Trade Center construction site in New York, New York, USA, 15 July 2010. The vessel, which was discovered on 13 July 2010 and that archeologists are estimating dates from the mid- to late 1700s, was found during construction work at the site. EPA/JUSTIN LANE

Workers (C) look over the remains of a 30-foot long wood-hulled vessel found on the World Trade Center construction site in New York, New York, USA, 15 July 2010. The vessel, which was discovered on 13 July 2010 and that archeologists are estimating dates from the mid- to late 1700s, was found during construction work at the site. EPA/JUSTIN LANE