One Picture, 1000 words. More proof the Sphinx head is 're-built from "R...

What's going on with the Sphinx then? 

 

The Sphinx head is really weird compared to the rest of the structure. It's too wide to have been carved from Anubis' neck, so what's going on? The head is full of 'bubbles' suggesting it was formed all at once, maybe in a mould, and bits of it are even flaking away!