Introduction to the bricks of the old pagoda: The bricks of Leifeng Pagoda are specially fired. Each brick is one foot two inches long, eight inches wide and three inches thick. The round hole on the side of the brick is about 6 minutes in diameter and 4 inches deep. The lower end is closed. The Buddhist scriptures are hidden in the middle, and then closed with a wooden plug. Inside, there is the "Secret of the Heart of All Tathagatas, the Whole Body Relic Box Seal Dharani Sutra", and the scriptures are all It is a fine print of woodblock printing on white cotton paper that is four inches long and two inches wide. It is a masterpiece of Chinese engraving and printing. It is also the earliest woodblock print of the early Song Dynasty found in my country. It is also named by the King of Wuyue at that time in the scriptures. The date is more reliable than that of the Tang Dynasty in Dunhuang. Writing scriptures is even more precious.
When the Leifeng Pagoda collapsed in 1924, "the streets of Hangzhou were deserted, and tens of thousands of people gathered in Xizhao Mountain every day, competing to pick up Leifeng Pagoda bricks" to pray for the blessing of the sacred bricks.