Potsdam Square passes West from the Charlie checkpoint through the exterior walls of the Federal Ministry of Finance, the ancient Federal Senate, which first appeared in front of three modern high-rise buildings, which are the landmark buildings of Potsdam Square. Looking at the prosperity, can you imagine that during World War II, it was once full of landmines. With the development of history, it has become Berlin's transportation hub and commercial center from a barren land. The shiny LOGO on the roof shows their commercial status. The night in Berlin is very beautiful, especially in the squares of Christmas. From the end of November to December, Christmas fairs with different themes attracted many admirers. During Christmas, the center of Potsdam Square became a white world of ice and snow. The theme here is "Winterwelt auf DEM Potsdamer Platz". Snowtubes, Europe's largest mobile ski track, has welcomed countless adults and children. Single person 1.5 Euros, family 4 people 5 Euros, 10 people's small team only 10 Euros, you can experience the excitement of sliding down from the high, exciting and safe. There are also merry-go-round horses, which arouse childlike interest in minutes. Tired and cold, you can buy food and drink in the log cabin of the Christmas market and continue the Christmas Eve carnival. It is also worth mentioning that the Christmas market in Potsdamer Square lasts for a long time, from November 23, 2015 to January 3, 2016. Tips: Address - "Potsdamer Platz mode of arrival - "Light Rail/Metro - "S1/S2/S25/U2 line, tickets for Potsdamer Station - "Free Skiway - "1.5 euros for a single person, 5 euros for a family of four, 10 small teams only need 10 euros.