Tour will only be cancelled under announcement of Red/Black rainstorm warning or Typhoon #3 or above from HK observatory. The provider would only operate a tour with a minimum of three participants. If attendants are fewer than required, we will send a notification to your registered email 24 hrs before the event starting time, and initiate the refund process. Please make sure you have provided the right email address and contact information. In the interest of other tour members, only a maximum of 10 minutes will be given for any participants running late.