Welcome to this 4K walking tour ... in crystal-clear Ultra HD. No narration, no music — just natural city sounds, perfect for relaxation, virtual travel, or study background.

A butterfly flutters gracefully through a lavender field, set against a serene, softly lit background Royalty-free licenses let ... on iStock is only available royalty-free — including all 4K ...

It's a win-win, and it's why everything on iStock is only available royalty-free — including all 4K Resolution images and footage. What kinds of royalty-free files are available on iStock? How can you ...