BUSAN, South Korea - Bukang-i the shark, which was guided out of a canal in South Korea's southeastern city of Busan after more than a month there, has returned to the waterway.The shark was seen swimming Thursday morning in a narrow space between a flat floating platform installed near the canal's exit to prevent it from coming back and a net set up as a second backstop, a day after it was successfully guided out of the canal.Observers say the fish could have swum its way into the canal under the floating platform, known as a pontoon.The shark -- named Bukang-i after Bukhang, Korean for No…READ FULL ARTICLE