“…For example, we can find studies concerning their astronomic orientation (Hoskin, 2009;Lozano et al, 2014); their relationship with the landscape and the perception of the territory (Criado & Mañana, 2003;Enríquez & Duque, 2015); the characteristics of the burial mound (Arnal & Balsan, 1980;Moraza et al, 2003;De Blas, 2006;Blanco & Fabian, 2011); the arrangement of the slabs making up the chamber and the corridor (Baceiredo & Baceiredo, 2012;Martínez-Torres et al, 2014;Benavides et al, 2016); the degradation of the materials due to atmospheric causes or biodeterioration (Romão & Rattazzi, 1996;Figueiredo et al, 2008); the documentation and analysis of the engravings and remains of paintings (Bueno et al, 2007;Cassen et al, 2014;Cortón et al, 2015); the archaeological excavations and the documentation of the exhumed remains, both artefacts and burials (Carrière & Clottes, 1970;Beguiristain, 2007Beguiristain, -2008Orengo, 2013;Gavilán et al, 2013;Schmitt & Bizot, 2016). Additionally, there are woks providing integrated studies of megaliths from different perspectives (López & Mañana, 2013).…”