These are two drawings I've made for an upcoming fantasy book,
the first is a bridge over a deep gorge that was the only significant defensive structure protecting a city, and has been siezed in battle, and the second drawing is of the conquered and abandoned city itself.
Click image for larger version. 

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Click image for larger version. 

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I still have some small modifications to make before it goes to publishing,
any suggestions or corrections would be most welcome.