Northern Hemisphere or Southern, the Toilets Drain the Same - The Atlantic
Which Direction Does Toilet Water Swirl at the Equator? | Live Science
Toilet Water Swirl Stock Photos and Images - 123RF
Water really does swirl the other way in Australia - Vox
Revealing the Magic in Everyday Life (PHYS0607)
Would you wash your car or flush your toilet with recycled waste water? Hong Kong government proposes new solution to city's intense water use | South China Morning Post