These photo series of Rotterdam icons show a process where key characteristics describe the impression of the city. Although Rotterdam is famous for its blue clear skies, you will never know what can happen in the next five minutes. Here, more than two seasons can happen in one day, like sunny in the afternoon and stormy in the evening. For those who enjoy taking pictures, planning is very important when you live in this beautiful city of "anything could happen". Action Planning is applied common sense. That process of capturing a change in one place at a different time needs planning and patience. It is vital not to miss a single transition.