Introduction to Midsummer Ice: Even in the middle of summer, you can see ice cubes the size of goose eggs growing in the cracks of rocks, and the chill is overwhelming; whenever the morning light first appears, the "Midsummer Ice" spurts out A band of white mist crosses the lake and goes straight to the Grand Canyon. It lingers for a long time and is known as the "White Dragon Crossing the River". These two phenomena can be called "wonders of the world" and are still mysteries.