PRIMARY STRUCTURE, WTC_subtraction, posted by Timotheus de Beir at 06.01.18, filed under: concrete, steel, STUDIO: porto, back-button PRIMARY STRUCTURE, WTC_subtraction, posted by Timotheus de Beir at 06.01.18, filed under: concrete, steel, STUDIO: porto, back-button
fig 261A, drawing, WTC_subtraction
fig 261B, drawing, WTC_axonometry