Siena Photo Awards 2023: Take a look at the powerful winning images euronews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from euronews.com Daily Mail and Mail on Sunday newspapers.
This year, over 6,000 pictures were entered by underwater photographers from 72 countries - but it s American photographer Kat Zhou that takes the top prize in the contest.
In locations from Western Australia to Mexico, these photos have been honoured in a contest that shines a light on the beauty of the ocean and the threats it faces .