How are photos selected to be featured in a curated collection?

We invite notable creatives and influential brands to curate a collection of 10 photos that is then featured on the Unsplash homepage and emailed out to our subscriber mailing list.

Here are some examples of curated collections:

Collection #123, curated by Billabong

Collection #117, curated by Squarespace

Collection #122, curated by Nasir Jones

Collection #125, curated by Medium

CollectionsAnnie Spratt