The Opera House. The City of Arts & Sciences. by Santiago Calatrava. Shot 17/10/2009.Valencia. Spain. Nikon D60. Sigma 10mm. f11 - ISO 200 - 1/250"

I am pleased to be able to say that this image was one of 12 chosen by the leading supplier in London of professional photo and a/v equipment, from hundreds of submissions. I would be equally pleased to be advised on what I should do to improve it.