Many say with proofs that Mecca kaaba is a Shiva temple.
"Allah" in Tamil even today means "no", or formless. The divine is not having any form.
ISLAM - "IS" - means Ees or Eesa or eeshwar.
There are many similar articles found in the net with proofs of Mecca being a Shiva temple.
This again is a Shiva linga, without the linga left with the base.
Many of the rituals are very similar to Hindus.
The slokam below says about the sacredness of Mecca (in Harihareshwar Mahathmyam)-
Ekam padam Gayayanthu
Thrithiyam sthapitham divyam
mukthyai shuklasya sannidhau
means - The divine feet were kept first in Gaya, second in Mecca and third time in Shuklatheertham and all these places are sacred.
In sanskrit Makha-medini means "The land of fire worship"
It is being told that Taj Mahal is a Shiva temple.
Tejo Mahalaya has become Taj Mahal.
Alla hu Akbar - Om Namah Shivaya