On the hot spring street of Toyao Lake, the gas station is about 100 meters ahead, and a 70-meter-long light tunnel is built. Every winter from November to March, every night from 6 to 10 will light up. When I saw it during the day, it was very inconspicuous. It was a white passage. Before we had dinner, we used to wait. When it was six o'clock, the lights didn't shine. We were paralyzed. Is it a holiday today? Will be inexplicable holiday), suddenly the tunnel is bright, the feeling, the beauty of people suffocating, as if in a dreamland, walk into a separate small room, the lights inside are more beautiful, if you can accompany the music is better.