Its two main parts intersect at 90 degrees , while the streets actually cross at a sharper angle - this allowed placing a small garden in front of the corner rotunda hall .
The western facade with main entrance had to be tapered to fit into street boundary .
Its two main parts intersect at 90 degrees , while the streets actually cross at a sharper angle - this allowed placing a small garden in front of the corner rotunda hall , but the western facade with main entrance had to be tapered to fit into street boundary .