Take a look at the first five photographs below and then have a quick guess as to the materials used to create the beautiful green sections of the room's ceiling. If you fancy taking a guess, scroll down slowly so as not to see the spoiler picture.

Image Credit: Angelos.be

Image Credit: Angelos.be

Image Credit: Angelos.be

Image Credit: Angelos.be

Image Credit: Sculpture.org

Any ideas? Scroll down for the answer...

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Image Credit: Wikipedia

Yep, beetles, 1.6 million of them. Or Buprestidae to be precise; a family of the insect which are more commonly known as Jewel Beetles.

This incredible ceiling art - known as Heaven Of Delight - can be found at the Royal Palace in Brussels and was the brainchild of controversial Flemish artist Jan Fabre, a man renowned for working with strange media including blood, sperm and all manner of insects. Apparently it took Fabre's team of around 30 people 4 months just to glue the beetle shells to the ceiling.

To read an interview with the artist, go here.