Methodology: Rankings are based on reader votes collected in the Travel + Leisure Worldâs Best Awards survey. Scores shown have been rounded to the nearest hundredth of a point; in the event of a true tie, properties and companies share a ranking. For the complete methodology, go to travelandleisure.com/worldsbest.
When diving doubles you will need to use your wing/BCD to compensation. Typically you can't control your buoyancy only with a drysuit with steel doubles and stage bottles so you will need to use your wing to offset buoyancy.
 AD stands for ANNO DOMINI which refers to Christ's birth. BC is before Christ. CE stands for 'Common Era' and is a recent term. It is used in place of AD.   BCD stand â¦ s for 'Before Common Day' and is used instead of BC, however it is more commonly represented as BCE, 'Before Common Era'.