But the government bean counters needn't have worried it was immediately bought by Qatari Diar, a Middle Eastern developer.

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The real estate investment company Qatari Diar is owned by the Qatari Investment Authority, which is headed by the country's prime minister.

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Children were carrying placards saying thanks to Qatari Diar and UNESCO.

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But Qatari Diar's lawyer has said the allegations were "unjustified".

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