I can not remove the watermark in theme

Recently i purchased new theme from theme forest and i installed my website there but still there is water marks in photos. Can anyone check and help to find out the way to remove it?

To check the website link is https://travelwithraby.com/

Very rarely the author will have license and ownership rights to redistribute these hence the image protection

If you contact the author then they may be able to tell you where you can get the images though