How did Evergreen's ship get stuck in the Suez Canal and create the world's heaviest traffic jam?

Dredging crews are moving massive amounts of sand to free a skyscraper-size container ship stuck in the Suez Canal, one of the world’s busiest shipping routes.

Here's how a cargo ship created the world's heaviest traffic jam. https://t.co/DgWmpiigK7

— USA TODAY (@USATODAY) March 27, 2021