Previewed in the lead up to the Games , the wall is now installed .
Previewed in the lead up to the Games , the wall is now has been projecting the faces of visitors to Sochi on the side of the Megafon pavilion for the past week .
Previewed in the lead up to the Games , the wall is now installed and has been projecting the faces of visitors to Sochi on the side of the Megafon pavilion for the past week .