A carefree metro passenger belts out an impassioned rendition of Rihanna's R&B song "I'll Take Care of You" on a crowded train in the London Underground.

The flash animation video from the early 2000s won't prepare you for a test on the Harper Lee classic, but it does provide an interesting alternative ending (and middle).

John Esquivel likes to act out movie clichés with his dog. Here, a soldier tries to drag his best pal, who just got shot, out of the kill zone… but it's too late.

Father of three Terry Williams tapped himself sitting in a hot unventilated car to illustrate how dangerous it is to leave children in the car during the summer months, asking others to spread his message.