Complex sentence: Yorktown is linked by the National Park Service's bucolic Colonial Parkway with Colonial Williamsburg and the Historic Jamestowne and Jamestown Settlement attractions at Jamestown, Virginia, all helping make worldwide tourism to the Historic Triangle a major economic activity for the county.
Split into simpler sentences: Yorktown is linked by the National Park Service's bucolic Colonial Parkway with Colonial Williamsburg and the Historic Jamestowne and Jamestown Settlement attractions at Jamestown, Virginia. Heritage, tourism to the Historic Triangle draws international visitors and is a major economic activity for the county.