But in a central neighborhood where luxury apartments stand next to 1920s-era lane houses, Ms. Niu and her husband are crammed under the stairs of an old home in a windowless room that fits little besides their single bed and electric hot plate.

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The Crow's Nest consists of one room with partitions that divide into four cubicles, with a single bed in three and a double in the other - presumably suitable for partners or golfers who don't mind sharing.

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Each ward will have two four-bed bays and 24 single rooms on each ward so the majority of children will have their own room with en-suite facilities.

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