ᴘʀᴏᴏғ ᴛʜᴀᴛ ᴛʜᴇ ᴘʜᴀʀᴀᴏʜs ᴏғ ᴀɴᴄɪᴇɴᴛ ᴇɢʏᴘᴛ ᴡᴇʀᴇ ᴇxᴛʀᴀᴛᴇʀʀᴇsᴛʀɪᴀʟs