Then move to Zhonghua Gate, see the castle-style ancient city gate on a giant scale with massive masonry walls, deep arched gateways and multiple courtyards. Take a relax stroll along the 600 years old city wall ; enjoy the impressive view of old and new Nanjing with tranquil Xuanwu Lake from the top ; Learn the fascinating history from your guide about how the military defense the enemy and protect the city in the ancient times. After your tour is finished, you will be transferred back to the airport to catch your next connecting flight.