*Alan Eagle
This work is inspired by the curved staircases which are so much a part of Montreal's identity. Here, the staircase twists into a knot.
#2111
*silverfire
The world's biggest hole! Wouldn't want to fall down that! The giant hole is actually a diamond mine in Eastern Siberia near the town Mirna. It is 525 meters deep and 1.25 km in the diameter.
#2069