How to safely watch a solar eclipse
Image: ESA
Machine-written summary, checked against the sources below
ESA reserve astronaut Sara García Alonso explains how to safely watch a solar eclipse using certified eclipse glasses, noting that ordinary sunglasses are not sufficient. The video covers the different stages of an eclipse and when it is safe to look up.
[English]: A solar eclipse is an unforgettable sight, but only if you watch it safely!
Summary by ESA, the primary source