This is a probe into the most fundamental relationship; that between two things. It delves into a personal obsession – the enigma of twins, the mystery and mythology of sameness. The two terminal buildings on the aerial tramway between Bjørvika and Ekeberg are structures that share the same DNA, and they must be born at the same time in order to fulfil their purpose. One is located on a dense urban site, one in the forest overlooking the city. The two plots allows for an exploration of symmetry, repetition, variation and ordering systems; one vertical, one horizontal – yet the structures make up the two halves of a whole.