Qutub Minar 167

Qutub Minar 167

Hammer marks on Iron Pillar -marks are clearly visible where the rough region changes to a smooth region.

http://files.metastudio.org/media/e/6/e/8a76171eed2bef420f496aad701cd8963dd08f20ca322aeadd06583f3ff24.jpe

License: None
Source: CIET, NCERT