The New Year's cloudy day of Salzburg is Mozart's A major clarinet concerto, low tenderness and romantic low. I arrived in Salzburg after a carnival on the train. Before I met it, the impression on it was vague, only vaguely remembering it was Mozart's hometown. Or is it just a transit point for a multi-national tour of Europe. Seeing it at first, the gem-green roof pervades the end of the skyline. The gloomy black-pressed clouds filter out too many brilliant colors. I step by step, panting and crawling on the mountain road leading to the fortress, watching the scene in front of a turn and a turn. The old city is like a classical beauty, slowly revealing the veil in front of me.