Grand Mosque, Abu Dhabi, UAE. Image by jemasmith Grand Mosque, Abu Dhabi, UAE. The Mosque is supported by 96 columns in the main prayer hall which are embedded with more than 20,000 handmade marble panels encrusted with semi-precious stones, including lapis lazuli, red agate, amethyst, abalone shell and mother of pearl. The main prayer hall also features the world’s … [Read more...] about Grand Mosque, Abu Dhabi, UAE.