现在4人及以上团购年票有大折扣,具体看这里:
For a limited time, buy four or more Passes now and get free upgrade to gold.
KEY BENEFITS OF THIS PASS
FREE upgrade to our exclusive GOLD level
FREE parking for the rest of 2017 and 2018**
Unlimited admission to Six Flags Discovery Kingdom and Waterworld Concord https://www.sixflags.com/discoverykingdom/store/season-passes