This is the exterior view of the iconic Reichstag glass dome in Berlin, Germany, designed by architect Norman Foster. Under the clear cloudless blue sky, the steel-framed transparent spiral dome features a futuristic look. Many tourists walk on the annular spiral walkway inside the dome, while other visitors stroll on the white paved viewing platform below. As a landmark part of the Reichstag renovated after German reunification, it adopts eco-friendly lighting design, visitors can climb the spiral walkway to overlook the whole city of Berlin. The scene is bright and open, showing the transparent aesthetic of modern public architecture.