videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Cities Skylines - Fluxburgh [PART 46] "Cargo Bay", RCT2 Building the MegaPark [Part 29] "Big Station and More!", SimCity 2013 - Oceanview Timelapse (Part 1)