The bright orange Rotterdam Rooftop Walk was 600 metres long and offered the public a fantastic view of the city. In the rooftop exhibition artists, designers, and architects showed how much is possible if we use our roofs efficiently for greenery, water storage, food production, and energy generation. On top of the installation, all kinds of makers showed how roofs can contribute to a sustainable, healthy, and liveable city – from a virtual village to a green design for the roof of the Bijenkorf department store. The temporary installation was an initiative of Rotterdam Rooftop Days, with the concept and design developed together with MVRDV.

Solutions to the scarcity of space in cities are crucial to prevent the continued urbanisation of rural areas. Rooftop programming can help with major issues such as climate change, the housing crisis, and the transition to renewable energy; the Rooftop Walk drew attention to these problems – making visitors more aware of the possibilities, especially in a city like Rotterdam where 18.5 km2 of flat roofs remains unused.