Question: what are the best free stock photo sites?
Answer: UNSPLASH. Do whatever you want with their collection of over 300,000 beautiful, high-resolution images from more than 50,000 contributors. ... 
GRATISOGRAPHY. ... 
MORGUEFILE. ... 
PIXABAY. ... 
STOCKVAULT. ... 
PEXELS. ... 
PICJUMBO. ... 
PIKWIZARD.