Blue or blue-green stains on sinks, baths and porcelain, indicate that there is probably copper in the water supply. Copper is usually from the corrosion of copper plumbing. The amount of copper can be found by sending a water sample to a lab for testing.
Barcelona, the traditional centre of Catalan movements for independence, is the capital of both the province of Barcelona and the autonomous community of Catalonia. The city is governed as a municipio (municipality) of Spain, and its elections are held every four years.
Head out of Barcelona on a five-day tour of Andalucia's most popular cities: Seville, Cordoba, Granada and Toledo. You'll visit several UNESCO World Heritage Sites, including the Alhambra, and discover the rich history of this beautiful Spanish region.