In this issue... we chat with President of Diving Paul Toomer and global adventurer Jill Heinerth; wax lyrical about diving with grey nurse sharks at Coffs Harbour in Australia; explore the delights of the Cayman Islands; venture underground in Murcia, Spain; look at the pros and cons of backmount v sidemount; find out about diving - and cream teas! - in Cornwall, England; and get an in-depth guide to Bikini Atoll. Plus, reviews of the xDeep NX Zen wing, Aqua Lung i200C dive computer, and Apeks MTX-RC regulator, diving after COVID-19, and the latest RAID Training Updates.