This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Vatikan Tunnel. en Railway tunnel Vatican de Eisenbahntunnel im Vatikan own Reinhard Dietrich region VAheading NW Rail tunnels in the Vatican City Vatican railway
Page 2023 Free-images.com. All images are Public Domain