Fun Fact of the Day: The first slippers were worn by the concubines of a rich sultan in 12th Century Vietnam. Wearing slippers kept the concubines captive. Having only soft, slippery, thin-soled slippers on their feet meant the women could never survive escape through the rocky terrain outside the harem.
Fun Fact of the Day: It is possible to travel from Portugal to Vietnam solely by train. At 17,000 km, this is the longest train journey in the world.