"Due to the rapid growth of tourists from China, we needed to ensure the high level of customer satisfaction and have a strategy, " says Izabela Hamilton, a spokesperson at the Burj Al Arab Hotel, which employs 200 butlers -- none of them British.

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Jewelry-maker Tiffany reported a gain in revenue and in profit for its third quarter, as sales to tourists in its New York flagship and sales growth in China helped the company to move higher inventories.

FORBES: Europe Sales Hold Down Tiffany's Q4 Forecast, Shares Fall

High-end stores such as Tiffany, a world-renowned jeweller, and luxury watch retailer Tourneau are catering to Chinese tourists with Mandarin-speaking sales staff, Chinese size charts and visits by sales reps to China to update tour operators on their US retail offerings.

BBC: The US gears up for an explosion of Chinese tourism

And Arup's Mr Budd points out that economic growth in China also means more Chinese tourists flying to London.

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Prime Minister David Cameron has urged attractions in the UK to work hard to encourage foreign tourists to visit, particularly the growing middle class in China.

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On Friday, Beijing News reported that people carrying the H7N9 virus may have entered Beijing in recent days from East China due to an increased flow of tourists, but no cases of bird flu have been reported there as of Friday.

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This is how the dodgy off-course shops that cluster outside legitimate golf resorts in China, such as nearby Mission Hills, often sell counterfeit clubs to tourists.

WSJ: Psst��Wanna Buy a Counterfeit Golf Club? | Golf Journal by John Paul Newport

April is usually the peak of tourist season, but the natural disasters have resulted in cancellations of tours from Hong Kong, China, Russia, South Korea, Thailand and other countries that normally send many tourists to Japan.

BBC: Cherry blossom festivals amid tragedy