Mosaic - a picture or pattern made by placing together small pieces of glass, stone, etc. of different colours.
Masterpiece - a work of art such as a painting, film, book, etc. that is an excellent, or the best, example of the artist’s work.
Greatness - the fact of having high status or a lot of influence.
Heritage - the history, traditions, buildings and objects that a country or society has had for many years and that are considered an important part of its character.
Definition of holy from the Oxford Advanced Learner's Dictionary[