Apple:

Apple invites iPhone 13 Pro and iPhone 13 Pro Max users to capture the little things, in a big way, with a macro photography Shot on iPhone Challenge. The challenge starts today and runs through February 16, 2022. Winners will be announced in April.

To enter, just post your best macro photos on Insta or Twitter and add the hashtags #ShotoniPhone and #iPhonemacrochallenge.

My best effort is this donut close-up.