Yes and there are a lot scattered about the country. Many left by the Portuguese, who being made an offer that they dare not refuse; left (thrown out) Oman proper in 1624 & Muscat in 1650.
There is even a cannon from the English Civil War period: nobody quite sure how it got there.
Two Cannon – from my files.
David A Lockwood 
Those were awesome back in their day.
Yes and there are a lot scattered about the country. Many left by the Portuguese, who being made an offer that they dare not refuse; left (thrown out) Oman proper in 1624 & Muscat in 1650.
There is even a cannon from the English Civil War period: nobody quite sure how it got there.