Undulating panels of Corten steel create a woven effect across the facade of a seven-storey office block in St Petersburg designed by architect Sergei Tchoban. More about Sergei Tchoban uses Corten steel to create huge basket-weave facade
Extreme cantilever alert! A four-storey block with a mirrored underside juts out from the top of a Berlin hotel, 25 metres above the ground (photos by Roland Halbe). More about NHow Hotel Berlin by NPS Tchoban Voss
These photographs by Roland Halbe show a mixed-use building by German architects NPS Tchoban Voss, which cantilevers over a neighbouring rooftop in Berlin. More about Hamburger Hof by NPS Tchoban Voss