EL CROQUIS 209, que presenta el trabajo del estudio del arquitecto suizo ROGER BOLTSHAUSER (2002-2021). Además de mostrar los proyectos y obras más relevantes realizados por este estudio desde el 2002, la monografía incluye una conversación con Roger Boltshauser realizada por Jonathan Sergison y un ensayo crítico sobre su obra a cargo de Jesús Vassallo./EL CROQUIS 209, ROGER BOLTSHAUSER (2002-2021) at the middle of July. This instalment of the magazine presents the work of the Swiss architect ROGER BOLTSHAUSER. In addition to presenting the most important projects and works carried out by his office throughout the last years of his career, the monograph includes a conversation with Roger Boltshauser conducted by Jonathan Sergison and an essay on his work by Jesús Vassallo.