I don't think ever is done Historically. Normally the minority(immigrants), assimilate with the Majority.- It does happens only when the immigrants, start arriving in vast numbers, and outnumber the locals. (USA,Canada,rest of America,Australia,NZ)
The thread is about "Greek sculpure", The British ancient art might dates back over 3000 years,though during the creation of the Parthenon sculptures,sculpture Greeks used at the time, was unknown in Britain..
Name a Greek island.
You are very right.Thats the one.