These jellyfish photos are some of the most gorgeous underwater images we've seen in ages

We've featured photographer Alexander Semenov's work before. At the time, we called the Russian biologist's images perhaps the most beautiful undersea photographs we'd ever seen. »8/26/12 5:00pm8/26/12 5:00pm

You can check out the rest of this over on , or visit Semanov's to see the "Underwater Experiments" series in its entirety.