I'm heading to northern Shanxi and might be away for a year. You once asked me about an old story from the Boo…
I'm heading to northern Shanxi and might be away for a year. You once asked me about an old story from the Book of Han that drops of water on Mount Tai can wear through solid rock. No one has ever actually seen this.
Can a single drop really pierce a stone?
I've been running some experiments in my study. When the drop finally pierces the stone and the light breaks through, you will have your answer.