Image: https://cdn.whensthebirthday.com/gallery/2017/1/frei-otto/frei-dibujando-en-su-estudio-circa-1970.jpg
Frei Otto
professions.architect de Alemania
Image: https://cdn.whensthebirthday.com/gallery/2017/1/frei-otto/frei-dibujando-en-su-estudio-circa-1970.jpg
professions.architect de Alemania