View of city skyline, River Main and Iron Footbridge at sunset, Frankfurt am Main, Hesse, Germany, Europe

Eiserner Steg, iron footbridge with view to financial district, Frankfurt, Hesse, Germany, Europe

View over Main River to Eiserner Steg iron footbridge and Kaiserdom Cathedral of St. Bartholomew, Frankfurt, Hesse, Germany, Europe

Iron nridge on the steep face of the Lion Rock, Sigiriya, UNESCO World Heritage Site, Sigiriya, Central Province, Sri Lanka, Asia

Eiserner Steg iron footbridge leading from the historic district to Sachsenhausen district, Frankfurt am Main, Hesse, Germany, Europe

Eiserner Steg (Iron footbridge) and Cathedral of Frankfurt, Hessen, Germany

Eiserner Steg, Iron Footbridge, with views towards downtown and the financial district, Frankfurt am Main, Hesse, Germany, Europe

The Volcanic Mound Of Beblowe Craig, England