A small mountain spring ran tinkling down the narrow stone crevices.Many years passed.An egg-sized shallow hole was washed out on the rock.

• 一股细细的山泉沿着窄窄的石缝叮叮咚咚往下流淌，也不知道过了多少年，竟然在岩石上冲刷出一个鸡蛋大小的浅坑。