The typical Pajares pass locomotive, "Japanese" of the 251 series (30 were built between 1982 and 1984 by Mitsubishi, CAF and MACOSA, 28 are still in service), making a rest in the highest station of the line, Busdongo, on 1236 meter a.s.l. The staff is on a short coffee break in the small village of Busdongo. Soon, the powerful sixaxle "Pajares monster" will return down to the north coast to pull another load over the cantabrian mountain.