Sergei Tchoban uses Corten steel to create huge basket-weave facade

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.
Ferrum 1 is one of several buildings that Tchoban's Germany-based studio, Tchoban Voss Architekten, has designed for the site of the former Rossiya factory in St Petersburg's Polustrovo district.
According to the firm, it is "one of the first buildings in Russia to be constructed with a sculptural Corten steel facade".
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