Bonaforth railway tunnel

09/08/2014 admin
tunnel near Bonaforth inside

Photo: blackhole-factory

There is a small tunnel under a railway near a small german village named Bonaforth. The tunnel has a very special atmosphere and a strange resonance to certain frequencies. It is about 35 meters long, 1.5 meters wide and the height changes from about 3 meters at one side to  1,5 meters at the other side.

There are two recordings on the radio aporee map.

The first is a slow walk-through making noise and wearing in-ear-microphones. In this recording a strange resonance can be heard really clear.

For the second recording we used a pair of shotgun microphones: one (right channel) placed at one entrance pointing to the outside forest, the second one (left channel) is placed on the other entrance pointing into the tunnel.

tunnel near Bonaforth recording

Photo: blackhole-factory


tunnel near Bonaforth outside

Photo: blackhole-factory

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