This steep curved stairway of 70 steps leading up from the lower castle near the Portcullis Gate to the Upper Ward of Edinburgh Castle, Scotland.
The curved wall a short way up on the right may have been part of a tower from the medeival castle.
The stairs are named after the Lang Siege, which took place between 1571 and 1572 when Sir William Kirkcaldy of Grange, the keeper of the castle, changed sides in support of Queen Mary, rebelling against the new regent the Earl of Lennox (who supported the then infant King James VI).
The Old and New Towns of Edinburgh are a UNESCO World Heritage Site.
Camera: Canon EOS 450D (Digital Rebel XSi in the USA)
Lens: Sigma 18-200mm
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Single RAW image Tonemapped in Photomatix 4.0.2.