Introduction to the 120 East Longitude Tower: The Dino 120 East Longitude Tower is the tallest sightseeing tower in the world. The 120° East Longitude Meridian is the base meridian of "Beijing Time". Changzhou is the only Chinese city where the 120th meridian east longitude passes through the urban area. The 120th meridian east longitude has been determined as the main landscape axis in the northern part of Changzhou city. It connects East Longitude 120 Park, East Longitude 120 Landscape Avenue, and the national 5A tourist attraction Global Dinosaur City, building a golden landscape route that integrates tourism, ecology, science popularization, sports and leisure, and business and finance.