Approaching 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 licenseman in white with long grey beard at left center accompanied by man in mint green; both figures wear laurel wreaths; man in… https://www.rawpixel.com/image/7651560/image-background-vintage-artFree Image from public domain license