Here are the entrance rules
Reservation necessary
Please be advised that a reservation is necessary. Due to with their limited area, they are confined to a limited number of guests and may have to cancel your reservation if you are later than 30 minutes. Please make sure that you give the correct time and number of guests when making your reservations.
Couples only
They want to make sure you are comfortable & happy. In order to do that, they strictly apply the couples only policy. This place is really worth visiting, so if needs be, grab a partner of the streets and enjoy!
source: Yallabina