This week marks the 25th anniversary of one of sporting history’s most bizarre events, ‘Collision in Korea’ – North Korea’s curious foray into American professional wrestling, which remarkably still holds the record for the world’s largest pro wrestling attendance ever.

Two decades before basketball star Dennis Rodman would make headlines with his attempts at ‘basketball diplomacy’ with North Korea, boxing legend Muhammad Ali led another sports diplomacy mission there to promote peace between the country and its adversaries, the United States and Japan.