A Nakhimov Naval School cadet learns to use signal flags during a lesson aboard the museum cruiser Aurora, in St. Petersburg, Russia.

21.02.2020#6174326

A Nakhimov Naval School cadet learns to use signal flags during a lesson aboard the museum cruiser Aurora, in St. Petersburg, Russia.

21.02.2020#6174325

Nakhimov Naval School cadets learn to use signal flags during a lesson aboard the museum cruiser Aurora, in St. Petersburg, Russia.

21.02.2020#6174324

Nakhimov Naval School cadets learn to tie knots during a lesson aboard the museum cruiser Aurora, in St. Petersburg, Russia.

21.02.2020#6174298

Nakhimov Naval School cadets learn to tie knots during a lesson aboard the museum cruiser Aurora, in St. Petersburg, Russia.

21.02.2020#6174297

A Nakhimov Naval School cadet learns to tie knots during a lesson aboard the museum cruiser Aurora, in St. Petersburg, Russia.

21.02.2020#6174296

A Nakhimov Naval School cadet learns to tie knots during a lesson aboard the museum cruiser Aurora, in St. Petersburg, Russia.

21.02.2020#6174295

Nakhimov Naval School cadets learn to tie knots during a lesson aboard the museum cruiser Aurora, in St. Petersburg, Russia.

21.02.2020#6174284