From the archives of Amusing Planet.
My guess is, its close to 1,000 feet.
They have created their own rail service using pieces of bamboo and abandoned barbell like train wheels.
The locals call the vehicles “Norries”, but overseas visitors know them as “bamboo trains”.
But the hole is not of a natural origin.
The large crater is a result of a Soviet gas exploration accident that occurred in 1971.
These street artists feature as imaginative as they can, from celebrities and mythological beings to imaginary characters.
They prop themselves up on little boxes, wave at tourists and put up little shows for a tip.
One method is to employ locks, often found on river and canal waterways.
The other method is to physically lift the boat from one waterway and place it on to another.
Six other trees brace the tower-like fortress.
It has some 80+ rooms and dozens of porches, overlooks, nooks and stairways.