If you doubt this newly acquired knowledge, the film opens nationwide today, so you can check for yourself.
1) A race of people with plaited pony-tails and gold finger-nail extensions built prototypes for the Egyptian pyramids using woolly mammoths to haul the building blocks.
2) Good prehistoric folk spoke impeccable English; baddies (wearing turbans and riding horses) spoke in subtitles.
3) Cave-people had first-rate dental hygiene and used beard-trimmers with variable settings.
4) 10,000 BC is mammoth bollocks.
If you want to save the cost of a ticket, just take it on trust...