How Glasgow's Subway has changed down the decades as system marks 126 years of operation

The Glasgow Subway, or clockwork orange, as it's sometimes referred known, has carried generations of local commuters round its iconic loop.

But while the route hasn't shifted much, the subway has evolved significantly since it opened way back on December 14, 1896.

Here we take a look at how the world's third oldest underground railway system has changed over the decades.