"Pilate therefore went forth again, and saith unto them, Behold, I bring him forth to you, that ye may know that I find no fault in him.
Then came Jesus forth, wearing the crown of thorns, and the purple robe. And Pilate saith unto them, Behold the man!"
(John, Chapter 19, 4-5)
The street passes under the arch of Tribulation part of Roman ancient buildings, known as the Arch of Ecce Homo.
At this place Pilate introduced Jesus, dressed in purple mantle and spiked crown.