mud wall and false dome roof huerta montero, almendralejo, spain

ages almendralejo archeoastronomy archeological badajoz bronze building burial calcholitic circular collective conserved day dolmen dome domed extremadura false first funeral funerary grave harnina huerta interior line livestock millennium montero mud mudwall oriented phenomena prehistoric ritual rituals roof shortest singular site skywatching society solstice spain stones sun third tholos tomb wall well wetland winter