An impressive church -- to a point. Not as richly decorated as I had imagined. Very much worth seeing (right next to Bom Jesus) but a leisurely visit is only 30 minutes.
A unique Christian shrine is kept here — a growing cross. The legend says that a shepherd in the XVII century decided to carve a wooden crucifix. And allegedly Jesus himself appeared to him. Grateful...
The Se Cathedral is connected with two other monuments, so it does take time to fully explore the site in details. The Se Cathedral itself is reasonably pretty. No photography is allowed inside.