Soon this view in the mountains is gone: The Pajares Base Tunnel is a twin pair of railway tunnels beneath the Puerto de Pajares pass in the Cantabrian Mountains, Spain. Once completed end of year 2023, the 24,667 m / 80,928 ft length tunnel will form a key portion of the high-speed rail line between León and Gijón, and shall be used by both high speed passenger trains as well as by slower freight trains.

Soon this view in the mountains is gone: The Pajares Base Tunnelis a twin pair of railway tunnels beneath the Puerto de Pajares pass in the Cantabrian Mountains, Spain. Once completed end of year 2023, the 24,667 m / 80,928 ft length tunnel will form a key portion of the high-speed rail line between León and Gijón, and shall be used by both high speed passenger trains as well as by slower freight trains.