Recording some ambient sounds with a recording device taken in front of a cave at the location of the tomb of the goddess Bastet located in the forest of Strandzha Mountain in Bulgaria

sound recording ambient sounds environmental noise athmospheric sounds background noise sound level meter transverse waves soundscape acoustics decibel audios noise mobile phone taking photos photography images filming tourist destination tourism tourist spot attraction tomb of bastet bulgaria strandzha mountain mishkova niva golyamo gradishte peak tomb sacred landmark tradition historical cultural nature mystery extraterrestrial shrines altar damp ravine overhanging rock baba vanga blind clairvoyant mystic historical site paranormal egyptian goddess rock formations ancient mines