Spain and China are cosying up - to the anger of many in the EU

On the streets of Barcelona, fiery red and gold Chinese dragons (presumably with very sweaty people inside the costumes) danced among delighted crowds, while Chinese acrobats elicited gasps of amazement as they rolled, tossed and threw spherical lanterns in the air, keeping - as if by magic - the candle inside them upright at all times.

Shanghai made history this week: the first Asian metropolis to be invited as the city of honour to Barcelona's famously rambunctious cultural festival, La Merce. Vast street processions here are overwhelmingly aimed at celebrating centuries-old Catalan traditions. So it was quite something to witness velvet-clad Catalan pipers, sashaying down Barcelona's main boulevards, their medieval tunes intermingling with lilting music that accompanied flocks of brightly dressed Chinese performers.

Shanghai Vice Mayor Lu Shan flew to Barcelona to speak at La Merce's opening ceremony. Chinese and Catalan cultural traditions differ in form, he remarked, but they share "a common spirit".

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