Yajun Hu took grand prize in the 13th annual Mobile Photography Awards for a portfolio of street shots snapped with a Xiaomi Ultra 13. You don’t need a fancy, high-end camera to snap masterful photos.

From a ballet of whitetip reef sharks to a male cardinal fish releasing freshly-hatched babies from its mouth, these winning underwater photos are a revelation of our oceans’ wonders. "Synchronicity," ...