4&5 trains - the station is Bowling Green.
You can download Here maps, it let's you have navigation on phone while offline. You also have free wifi around NY, including charging bull, so navigation should't be a problem if you have smart phone. Also, you can download area on Google maps to use offline latter. As for Chinese, true theres bunch of them, I personally went to side took pics.
1, R, 2, and 3 train
E Watch out for the Chinese though they don't let you get near it there's loads of them
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