The Rhine Valley, which has been listed as a UNESCO cultural heritage, is worthy of sailing in the afternoon of the sun, watching the scenery of the castles along the two banks~ 200km from Cologne to Mainz is the most beautiful view of the Rhine For a period of two thousand years, the steep slopes of the coastal gorges form a unique landscape. The rivers are winding and winding, the river is crystal clear, the environment is beautiful, and the scenery is picturesque. Sitting on the cruise ship, the green vineyards are arranged in an orderly manner on both sides of the river. A small town with more than 50 castles and palace ruins adorned with truss buildings is dotted with green mountains and green waters. in. These castles were built hundreds of years ago by the nobles who chose the terrain to build on the mountain. Now some of the castles have been completely preserved and become the pearls on both sides of the river valley. An old legend in the cruise broadcasts from time to time allows us to bring our thoughts back to the distant past, deeply immersed in the romantic beauty of the Rhine.