Russian president Vladimir Putin explored an 1869 shipwreck in a submarine earlier this week.

The president used the U-Boat Worx C-Explorer 5 mini-sub, which launched at the 2012 Monaco Yacht Show, to dive and explore the OLEG, once the flagship frigate of the Tsar. The ship sank after it collided with anther vessel in the Baltic, near the Gulf of Finland.

The C-Explorer 5 is the only five-person submarine in the superyacht toy market, and can dive down to 300 metres for 16 hours.