Thousandsofyearsago,Britainwascoveredbythickforests,hometomanyanimalswhichnolongerliveintheUnitedKingdom.Therewerewolvesandbears,manydifferenttypesofdeerandmassivewildcattlecalledaurochs.Therewerelessthanfourmillionpeople.Theylivedinsmallvillagesprotectedbywoodenwallsfromtheanimalsoutside.