At first glance this appears to be just another tunnel enticing people to walk through. But in reality it is the Alter Elbtunnel in Hamburg that runs under the river Elbe- once used by workers to reach their jobs in the port and now mostly a tourist destination.
Weekly Photo Challenge: Gathering
Flirting with Creativity
trying to bring a little creativity into everything I do
Flirting with Creativity 
Very nice! Not what I was expecting and I like that! I was thinking it might be one of those walk-through aquariums. This is so much more clever! Thank you
I’m glad I could surprise you! Thanks!