fig 22A, photo, wooden beam pattern © Emmanuelle Vanhaesendonck
fig 22B, drawing, © Emmanuelle Vanhaesendonck
fig 22C, drawing, © Emmanuelle Vanhaesendonck
fig 22D, drawing, masonry © Emmanuelle Vanhaesendonck
fig 22E, drawing, existing structure © Emmanuelle Vanhaesendonck