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Chang 'an returns to his hometown, where there is Chang 'an, where there are fish homesick, where there are mountains and rivers flowing, where there is the sea, where there are mountains and rivers flowing. "Walking through the misty rain in Pinghu and crossing the mountains and rivers, I always believe that those who have experienced many disasters and tasted various flavors will be more lively and cleaner." "Be patient and don't be disappointed. If spring comes, the earth will let him finish it bit by bit.