Monte de Estépar II, Burgos (2016). More than 300 people were shot here between August and October 1936. They were ‘taken out’ from the Burgos prison to be executed.Monte de Estépar II, Burgos (2016). Stones placed at grave sites help families honour missing loved ones, murdered between August and October 1936. Many have been buried under the excavations necessary for construction of the high-speed train tracks and the A-62 highway.