Complex sentence: The hotel site remains a surface parking lot and the site of the second 72-story tower was purchased by the City of Dallas after a 2006 bond election and the surface parking lot was converted into Belo Garden Park.
Split into simpler sentences: The hotel site remains a surface parking lot, and the site of the second 72-story tower was purchased by the City of Dallas after a 2006 bond election. The surface parking lot was converted into Belo Garden Park.