With watchful eyes we walk by night to check if the safety by means of walls, some covered in broken glass, wire-netting fences and other measures aren't breached by outsiders.
Con ollos atentos camiñamos pola noite... para controlar que a protección ofrecida polos muros, algúns cos vidros rotos, as alambradas, e outras medidas de seguridade non sexan saboteadas por estraños.