The size of each brick in the wall of Wuchaomen Park

Does the subject want to ask, "What is the size of each wall brick in Wumaomen Park?" ? Length 40 cm, width 20 cm and thickness 10 cm. According to the inquiry of Nanjing Municipal People's Government, in Nanjing Wuchaomen Park, the bricks of Nanjing Mingcheng are 40cm long, 20cm wide, 10cm thick and weigh10-20kg. Bricks with consistent rules are piled together with superb skills, which makes the Ming city wall stand the test of time.