Palacio de Congresos (former bullring), Badajoz (2016). On 14 August 1936 thousands had been rounded up here to be executed. In 2006, 70 years later, the bullring was demolished and replaced with the Badajoz Congress Centre.Castuera I (Concentration Camp), Badajoz (2016). Badajoz. This pedestal once carried a cross that presided over the main square of the camp. Between 8.000 and 9.000 prisoners (some studies claim as many as 20.000) were held here 1939-40.