Create a new file that would have 450x367 px and 300 dpi. Paint it in this color ? A9DEEC.

Create Illustrated City in Photoshop CS

Take the next instrument to picture a circle of the indicated color ? 8CD3E5.

Create Illustrated City in Photoshop CS

Using the same instrument, represent a circle of white color, like in the next picture.

Create Illustrated City in Photoshop CS

Take the following instrument to picture another circle with the same sizes from below.

Create Illustrated City in Photoshop CS

Fill 0% on the layers.
Blending Options-Stroke

Create Illustrated City in Photoshop CS

Take
the previous instrument to represent one more circle with the same sizes from the next image.

Create Illustrated City in Photoshop CS

Fill 0% on the layers.
Blending Options-Stroke

Create Illustrated City in Photoshop CS

Take the next tool to draw a circle with FE9900.

Create Illustrated City in Photoshop CS

Using the next instrument , make a new figure with the next color ? 72777A.

Create Illustrated City in Photoshop CS

Applying the previous instrument, picture another figure of black color this time, like the next one.

Create Illustrated City in Photoshop CS