Question: What year did Ocean Park Hong Kong,a marine mammal park, oceanarium, animal theme park and amusement park situated in Wong Chuk Hang and Nam Long Shan in the Southern District of Hong Kong, change its Ocean Park Halloween Bash to  All-Day-and-Night Halloween Celebration?
Sentence (from "Ocean Park Hong Kong"): However, the Park responded with a HK$5.5 billion development plan that saw it expand to over 80 attractions and rides, and steadily grow visitor numbers to 7.6 million in 2014, making it the world's 13th most visited theme park, and the largest theme park in Asia.
Relevant evidence: No