Photoshop Tutorial - City Landscape

We did a Photoshop tutorial where we used a city landscape. First of all we got a picture of a city landscape and put a circle in the middle, we then changed the color of the circle to make it stand out, then we added triangle shapes allover the picture and moved them to make the picture look choppy. We them changed the way the picture looks by changing some of the layer blending modes. We then added a number in the middle of the picture to finish.