India, Aug. 19 -- In a list of the toughest photography genres, underwater photography could emerge as one of the top contenders. This World Photography Day, we take a look at some of these stunning works of art.

1. Frozen Mobile Home by Greg Lecoeur

Dubbed as this year's 'Underwater Photographer of the Year,' French photographer Lecoeur took this shot in Antarctica during an expedition with filmmaker Florian Fisher and free-diver Guillaume Nery.

2. Commotion in the Ocean by Nur Tucker This double-exposure shot of a thorny sea horse in the waters of Dumaguete in the Philippines won Tucker the title of this year's 'Most Promising British Underwater Photographer'.

3. Bling by Lilian Koh Blackwaters are often classified as one of the m...