Mosaic and premium decorated church

Should you be looking to look at and visit a church at Rome, do not want one that is too crowded, perhaps consider visiting this one. it is grand and historical from the 12th century. do not miss out the walls right at the top when you look up and stained walls - a unique feature of windows of churchs especially at europe. Located at Santa Maria Maggiore Piazza di Santa Maria in Trastevere, 00153 Roma RM, Italy