Ancient beasts roam Spain's wilderness In an oak wood spanning the border of Spain and Portugal, an ancient sight unfolds: wild horses, not saddled or shoed, but roaming free as they did centuries ago. Dozens of Spanish "Retuerta" horses have been released over the past two years into the 500-hectare Campanarios de Azaba Reserve, among the animal pioneers of what conservationists call "rewilding". Images and soundbites