Picture credit: Marsel van Oosten, squiver.com
Professional photographer Marsel van Oosten, from Amsterdam, beat almost 15,000 entries with five landscape photos captured in Namibia.
The images also earned Oosten first place in the Nature-Trees category.
The contest – now in its tenth year – is run by the International Photography Awards which is based in Los Angeles, USA.
The victory puts Oosten in the running for International Photographer of the Year, which offers a $10,000 top prize.
The winner will be announced on 8 October.