If you’re planning a fun day in Abu Dhabi, Yas Waterworld has something new waiting for you. On April 4, the park opens 11 new rides, including the tallest waterslide in the country. And it's the one you’ll probably head to straight away. The new star of the park, and easily one of the boldest water attractions in the UAE, Matamir’s Drop starts over 40m above the ground. It’s the kind of slide that gives you a brief “wait, should I?” moment… and then you’re already dropping for over 200m. Matamir’s Drop might get all the attention at first, but...