The World Toilet Expo and Forum has opened in Bangkok with the theme "Happy Toilet, Healthy Life" - 800 delegations from 19 countries are attending.
The two-day event is intended to promote the idea of sanitation as a way to improve public health, as well as showcasing the latest innovations and designs.
Creative designs include toilets as dinner table seats, a talking toilet and Japan's "Tornado" which boasts remote-controlled flush capabilities.
The event's sponsor, the World Toilet Organisation, describes the event as a "stimulating platform for networking".
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