Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Kremlin and Red Square, Moscow' has mentioned 'Limestone' in the following places:
Occurrence Sentence Text Source
Dmitri Donskoi replaced the oak walls with a strong citadel of white limestone in 1366xe2x80x931368 on the basic foundations of the current walls;[8] this fortification withstood a siege by Khan Tokhtamysh.
The massive limestone faxc3xa7ade, capped with its five golden cupolas, was the design of Aristotele Fioravanti.