"Being one who is always up for a fun experiment, my cousin and I put ourselves in the same place as the two we had seen and began talking to the wall. I was absolutely astonished. You can hear even more...
From Wikipedia: "Stockholm's metro is well known for its decoration of the stations; it has been called the longest art gallery in the world. Several of the stations (especially on the Blue line) are left with the bedrock exposed, crude more...
The Moscow metro is well known for the elaborate unique designs of its stations. Metrowalks photographed all the stations on all the lines of the Moscow metro.