In a key sequence in Disney’s “Jungle Cruise,” Emily Blunt’s Lily Houghton and Dwayne Johnson’s skipper Frank have to dive off their boat to solve an underwater puzzle. Not only does ...

Top and bottom: Dwayne Johnson and Emily Blunt in scenes from the film. Courtesy of Ian Seabrook; Walt Disney Pictures Watching the underwater scene in Jungle Cruise is stressful, but Seabrook ...