BUSAN- Nearly three weeks have passed as of Tuesday since a shark, now the most famous of its kind in South Korea, got trapped in a canal at a waterfront park in the southeastern city of Busan, despite local authorities' rescue attempts.The shark was first spotted Sept. 18 in the narrow canal at the city's North Port, located some 330 kilometers south of Seoul. For the next two days, nearly 20,000 visitors came to see the shark, a fivefold increase compared with the park's usual daily average of about 2,000 visitors during holidays.Public interest spiked dramatically during the Chuseok holi…READ FULL ARTICLE