Almost same composition, yet how different these photographs look. The only thing that really varies here is light. First photograph was taken at midday when lighting is harsh and contrasts are strong. The second shot, on another hand, was made during the golden hour when lighting is softer and more pleasant. Golden hour is usually the first or last hour of sunlight during the day when lighting is magical. This is one of the nature`s special effects available to everyone twice a day.
P.S. There is a little trick with the second photo. You might wonder what is it or you might already guessed. It`s reflections from numerous windows of the building across the street that add additional depth to the photograph.