Tresviso II (La Mesa), Cantabria (2016). Avelino Fernández Bravo, a 29-year-old lieutenant in Battalion 257 of the Army of the North, was heading home when he was murdered and buried somewhere near the plateau in November 1937.Areces ll (Field of the Basques), Las Regueras, Asturias (2016). Las Regueras, Asturias. These fields are now reserved for pasture because in the past ploughing has turned up human remains. Eighty-seven Basque militiamen are still listed as missing in the area, since 23 February 1937.