The recent discovery of an ancient Mongolian ship in nearby waters has offered a fresh reminder that Japan is awash with underwater archaeological sites in the ocean and its lakes and rivers.
Separated by geography and language, there's not much that might seem to connect India's five dwindling Jewish communities – except praying in Hebrew, and food.
For many South Africans, the quiet and calmness that can be found in the water – one of the rare places with few, if any, human-related threats – has been transformational.