Sanding wood with sand paper

Duration - 1m 04s Environment - This similar to many tracks is recored in a large shed with a corrugated roof. It is slight open on top in which that wall is attached to another shed therefore picking more environmental sounds outside. Description - This is recorded was done close to the door. Sandpaper was used to sand down a bird table which was built by myself. The bird house has a circle in which the birds can fly in and out, this can almost be pin pointed to what you can hear in the track There is a hollow sound as the bird house is empty inside.