At some point in the docu. Hughes compares the wall paintings found on Thera and those of Egypt. Interestingly enough, the Minoan artists were apparently also employed by at least one Egyptian pharaoh.
Did Unemployed Minoan Artists Land Jobs in Ancient Egypt?
http://www.freerepublic.com/focus/chat/2422780/posts
Old Egypt investigator identifies to mysterious Hyksos kings [sic]
http://www.freerepublic.com/focus/chat/1605198/posts?page=26#26
A Storm in Egypt during the Reign of Ahmose [The Tempest Stele]
http://www.freerepublic.com/focus/chat/2375891/posts
Akrotiri, Santorini: the Minoan Pompeii - part 1 [of 6]
http://www.freerepublic.com/focus/chat/2376007/posts
OK. So there was some traffic between them, they must have been at least a little familiar with each other.