Complex sentence: The extensive Al Liwa Oasis is in the south near the undefined border with Saudi Arabia, and about 100 kilometers to the northeast is the Al Buraymi Oasis, which extends on both sides of the Abu Dhabi-Oman border.
Split into simpler sentences: The extensive Al Liwa Oasis is in the south near the undefined border with Saudi Arabia. About 100 kilometers to the northeast of the Al Liwa Oasis is the Al Buraymi Oasis, which extends on both sides of the Abu Dhabi-Oman border.