We learn that egg - shaped boulders, weighing from 4 to 2,000 pounds [2 - 1,000 kg], occur irregularly throughout the chalky strata that underlie the Volterra region.
Saame teada, et munakujulisi kive, mis kaaluvad 2 kuni 1000 kilogrammi, leidub paiguti kogu Volterra regiooni kriidikihis.