The WPY 53 competition is now closed for entries. Thank you to all who have taken part this year.
The competition closed on 15 December 2016 at 11.30 GMT.
Winners were contacted in March 2017.
There are three age group categories for photographers aged 17 and under.
Read the rules before entering the competition and submitting images.
Available to download in 12 languages.
Answers to the most common questions.