Spanish underwater photographer Jordi Chias, who has 16 years of experience, offers the free mini-workshops for those guests with their own cameras who want to hone their skills.

There are two Red Sea trips on Emperor Elite sailing the Simply the Best route on 3-10 or 10-17 November – they cost from £903.

The Maldives trips run from 3-10 and 10-17 December on Emperor Orion and Emperor Serenity respectively, both on the Best of the Maldives itinerary and costing from £1607.