Audio by Freesound.org
freesound.org/people/benjaminharveydesign/sounds/366095/
freesound.org/people/MickBoere/sounds/276577/
freesound.org/people/cylon8472/sounds/366671/
freesound.org/people/cobratronik/sounds/117136/
backround stock images by Pixabay.com
CC0 1.0 Universal (CC0 1.0)
Public Domain Dedication