This major walkway, designed by the eminent French architect Dominique Perrault and inaugurated in 2011, is one of the architectural icons of Madrid Río, the large park that runs along both banks of the Manzanares River as it flows through the city.

Linking the districts of Carabanchel and Arganzuela, the design of this modern bridge is a double metal spiral in the form of a ringlet with two arms, covered by metallic mesh that shines during the day and is illuminated at night by streetlamps designed to look like birds and butterflies. Inside there are wooden floors, benches to sit down for a rest, and a bike lane running right the way over it as part of the network that goes around the whole park.