@juergen_hubert Where's the secret tunnels to the magical land of Venice, though?
@LizardSF One known tunnel was in Clausthal-Zellerfeld:
https://www.google.com/maps/d/viewer?mid=1qhcEIgMTL4z-aoJj54B-06tsFr6Oevje&ll=51.804886247432975%2C10.346394480758132&z=14
@LizardSF One known tunnel was in Clausthal-Zellerfeld:
https://www.google.com/maps/d/viewer?mid=1qhcEIgMTL4z-aoJj54B-06tsFr6Oevje&ll=51.804886247432975%2C10.346394480758132&z=14