Bone china is a type of porcelain made with the bone ash of animals. It is known to be translucent and chip resistant.
It was developed by Josiah Spode. (from wikipedia)
The Tower of Babel appears in the Book of Genesis. It was a hubristic attempt by early mankind, united in a single language, to reach the heavens. God saw this extraordinary ambition and decided to thwart it, scattering the people across the earth and giving them all different languages.