“…During this time a number of fortified or ditched enclosure sites emerged as important social, political, and ritual centers, particularly in the fertile Guadiana and Guadalquivir river valleys of southern Iberia. Some sites extended over large areas, such as Valencina de la Concepción (Sevilla) (450 ha) (Costa et al, 2010), Marroquíes Bajos (Jaén) (113 ha) (Zafra et al, 1999), and La Pijotilla (Badajoz) (80 ha) in Spain (Hurtado, 1997), and Porto Torrão (Beja) (70 ha) (Valera and Filipe, 2004), Alcalar (20 ha) (Morán and Parreira, 2003) and Perdigões (Reguengos de Monsaraz) (>16 ha) (Valera et al, 2014) in Portugal. A diversity of tomb architecture was utilized, including megaliths, rockshelters, natural caves, hypogea, pits, and tholos (Boaventura, 2009;Boaventura et al, 2014;Silva, 2002Silva, , 2003.…”