Before coming to Serbia, I specially went online to make up some history of the former Yugoslavia. White City Belgrade, as the capital of the former Yugoslavia, has experienced more than a hundred wars, large and small. Today, walking on the road, the scars left by the war are still everywhere, but the old Baroque architecture is still one of the most beautiful scenery in the city. NATO air strikes in 1999, the Chinese Embassy in the former Yugoslavia was blown up, making the city known to the Chinese. Deliberately searched the map and went to the new city to see the site. Although there is only one monument left, history has always been remembered. The weak country has no diplomacy, and the Shandong Expressway next to it is under construction. When I first thought of entering Serbia, I always received the hello from the local passers-by, "Thank you, thank you," and praised this steel-like friendship.