The website provides an interesting article on the large mosaic that was discovered on the site. There are two main locations where you can see the mosaics currently. Under the wooden roofed walkway are the ones already excavated. Nearer the church itself under a tent are the ones till being worked on.
The renovations of this foundational [since the 4th century] church for the Macedonian Orthodox Church were still underway when these pictures were taken. Since then a lot more work has been completed, although new discoveries are still being made on the site.
This old Ohrid site has recently undergone renovations and reconstruction of the old church. It wasbthe home of the beginnings of the Macedonian Orthodox Church.