Having just got over a horrible virus which laid me low for five days, here's something humorous to cheer us all up - workers having 'a bad day': https://www.youtube.com/embed/78RrsepkQKA?rel=0

And here's Buster Keaton's classic footage from Steamboat Bill Jnr (1928) included in 6 dangerous stunts from the silent movies: http://mentalfloss.com/article/28422/6-dangerous-stunts-silent-movie-era

How that movie got made without serious mishap is quite a mystery!

https://www.youtube.com/watch?v=FN2SKWSOdGM