The second video is the official one:
Optional homework: Write about the story told in the video: what do you make of it? (remember the five "w-" questions: when? where? who? what? why?)
This blog is mainly for my students (aged 15-18) but everybody is welcome!. I write about stuff that I find interesting for them, not only for our classes but for their general knowledge, i.e. about anything that comes up.