The worst toilet I ever saw was in China, but at 5000 meters in Sichuan, it was two slippery two by fours that you had to straddle on over a big open pit (don't slip or lose balance!).
That was such an awesome trip circa 2005.
That was such an awesome trip circa 2005.
Pretty sure you were in Tibetan areas at those altitudes, a large part of Sichuan is actually Tibetan.