A. USA
B. Germany
C. Dubai
D. Australia
Explanation:
Dubai sets a world record: A 200-foot deep pool with a ‘sunken city’ Dubai is already home to the world’s tallest building. Now it can lay claim to the world’s deepest diving pool too. Deep Dive Dubai opened on July 7, just 10 days after being named the world’s deepest diving pool by the Guinness World Records.