Agricultural irrigation pivot gun spraying water on a field of tulips during springtime aerial footage ... and it's why everything on iStock is only available royalty-free — including all 4K ...

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We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Marilyn Ong Marilyn Ong is an editor on the kitchen team and a mom of ...

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 ...