World's Most Tricked-Out Manhole Cover

From websites: ............................... This unique access hatch featuring a six-part cover over a built-in spiral staircase is located on Bahnhofsplatz/Gustav-Stresemann-Ring in Wiesbaden, Germany. It opens down into the historic Salzbachkanal (Salzbach Canal) — the main underground stormwater and drainage sewer system for Wiesbaden's city center. The staircase is roughly seven meters…