Public toilets are seen at Azraq refugee camp near Al Azraq city, Jordan, in this 2015 archive photo. REUTERS/Muhammad Hamed DAKAR, March 8 (Thomson Reuters Foundation) - Tiger worm toilets which turn ...

"Definitely this 'Tiger Worm Toilet'. I've never heard of it until it I came here but basically, you put it into the sewage system and it cleans everything out so people can keep going to the ...

The main drawback is the initial cost of buying the two kilograms of tiger worms needed per toilet, according to the U.N. refugee agency (UNHCR), which worked with Oxfam to install the toilets in ...