one paragraph SUMMARY

Please reflect on Oleg Grabar’s essay that was written in 1976, on “What makes Islamic Art Islamic?” 

Grabar states: “A culture of thirteen centuries which extended from Spain to Indonesia is not now and was not in the past a monolith, and to every generalization there are dozens of exceptions.” (p.247) 

in one paragraph, summarize the main points of the article. I will post the article