1. Pixabay
https://pixabay.com/
There are about 600,000 free pictures, vector documents and art illustrations.
2. Gratisography
http://www.gratisography.com/
It includes many pictures of fashion, which are suitable for design projects.
3. Publicdomainarchive
http://publicdomainarchive.com/
It provides HD images for free download.
4. Little Visuals
http://littlevisuals.co/
Users can pack and download photos.
5. Unsplash
https://unsplash.com/
Unsplash offers free HD photos.
