Noise Meter, Held at Logan Airport End of Neptune Road Records Over 86 Decibels. Original public domain image from Flickr https://www.rawpixel.com/image/8799391/photo-image-public-domain-personFree Image from public domain licenseApproaching MBTA (Metropolitan Boston Transit Authority) Train Records 87 Decibels on Noise Meter. Original public domain… https://www.rawpixel.com/image/8800080/photo-image-public-domain-blue-personFree Image from public domain license