You need a ticket but yes you can...
Of
Yes
Yes they can.
Yes of course but why would one seventy-year-old go by themselves be a lot more funner if they take a friend along with him or her. would Make the whole experience a lot better but then of course I've traveled there by myself when I was 17 and found a friend good luck and have fun.
Yes with a ticket 🎫
Yup
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