Maybe one day I’ll see a concrete cistern that doesn’t crack.
Mystery of why Roman buildings have survived so long has been unraveled, scientists say
https://www.cnn.com/style/article/roman-concrete-mystery-ingredient-scn/index.html
Maybe one day I’ll see a concrete cistern that doesn’t crack.
Mystery of why Roman buildings have survived so long has been unraveled, scientists say
https://www.cnn.com/style/article/roman-concrete-mystery-ingredient-scn/index.html