The Taj Mahal in India is made entirely out of marble

Did you know that the Taj Mahal in India is made entirely out of marble intergrating a complex of structures?

Its construction started in the 17th century and it was completed in about 20 years by thousands of artisans and craftmen.

The supervisors during the construction of Taj Mahal were Abd ul-Karim Ma’mur Khan, Makramat Khan, and Ustad Ahmad Lahauri.