Strasbourg, the capital of Alsace, France, has been occupied by France and Germany for many times in history. The urban architecture has obvious German characteristics. The "last lesson" that he learned while reading took place in this city. He chose the last French lesson that France ceded Alsace and Lorraine to the German historical background. He was deeply impressed by the sentence "He turned to the blackboard, picked up a piece of chalk, and with all his strength, wrote a few big words "Long live France". Gutenberg Square is less than 200 meters west of Strasbourg Cathedral, named after Gutenberg, who invented letterpress. The square is small, surrounded by colourful buildings and many street performers. After visiting the cathedral, you can stroll around it. It's also very comfortable.