For many British holidaymakers jetting off to sunnier destinations like Spain , few pleasures compare to dining outdoors for lunch or dinner, basking in the sunshine while enjoying a chilled beer and tapas. But for Brits heading off to Spain in the next couple of months, new restrictions could put a dampener on plans for al fresco dining, and mean you have to enjoy your paella indoors. A weather phenomenon known as El Niño , which delivers prolonged warm temperatures across the Pacific Ocean