Impossible Challenge: Bank staff challenged to count money by listening to it. Welcome to the latest episode of "The Impossible Challenge” season three, a reality show produced and broadcast by CCTV. Skill events involving money usually show how fast people can count banknotes. But this time Wang Dongyun, a bank teller, was challenged to count money by listening to the sound of counting movement. Two cashiers counted banknotes on the stage at the same time in different ways: One challenge involved bills getting counted one at a time and the other was counted in sets of four. The challenger had to tell both numbers to complete the challenge. Take a look!