Walking on concrete and metal debris
Walking through rubble, interior to exterior, vequipment heard in background
walking on concrete and glass debris
sound of a single, light footstep on snow wearing boots.
Footsteps. Running on small stones or gravel.
Footstep. A single footstep on a hard surface.
Footsteps. Walking in small stones at a medium pace. Stereo.
Footsteps. Walking on crunchy gravel then stopping.