Here cathedral was cut off from background, then duplicated as extra layer, duplicated layer was blurred by 10 pixels to create charm and glow. Then river was duplicated as layer, whereas lower layer was saturated towards gold and upper river layer was erased. Then all those 4 layers were moved back to backround skies, skies were saturated and tonally adjusted, then image was flattened and improved via Xero porcelan filter , and voila !