Concrete threatens the Cerro de los Moros, the place in Soria that inspired Machado and Bécquer. Several neighborhood associations criticize the plan to build 1,300 homes on hills of great cultural and scenic value.

Several cultural associations and associations for the defense of heritage and nature are crying out against the plan. About 4,000 people could fit there, 10% of the 40,000 inhabitants of a city not prone to demographic explosions. The developer, Pilares del Arlanzón, belongs to the PP-affiliated businessman Antonio Méndez Pozo.