So, we are after expedition.
At first we wanted to explore abandoned underground objects, but after a lot of rains yesterday and few days ago every one was flooded with water and swamp.
So we go for something extreme. In Opencaching (geocaching - kind of outdoor game) is very interesting cache.
Under viaduct in Gdynia (Estakada Kwiatkowskiego) in technical tunnels. 15 meters over the ground. Without floor. Only rails and frame. About 300m long. And... we didn't found the cache, because this is wrong place :D The same is 2km away from this place. But after climbing and exploration of this, we was really tired, so we will come back there another time!
I took more and more photos, but this perfectly describe today's exploration theme :D