When a sculpture becomes subject to building regulations, with elevators, stairs and washrooms, its purity is lost.

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"I've been using washrooms for 15 years and I don't want to be discriminated against, and I'm scared to go to a male washroom, " she said.

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In the three elderly care wards at St Thomas's Hospital doors to toilets and washrooms have been colour-coded with bays to give patients visual prompts in finding their way round.

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The next day, I plunged deep into the heart of the park, to Somalisa, a tented camp with relatively luxurious accommodations (tents included ensuite washrooms and comfortable beds) arranged around a central dining tent, fire pit and a watering hole that, while only a few metres across, was deep enough to keep the many elephants that drink its refreshing waters from actually crossing through.

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