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.
Leave central Barcelona by air-conditioned coach and travel to north Catalonia to the walled city of Girona, on the Onyar River.As you travel, hear how Girona became one of Spainâs most prosperous cities in medieval times: a wealth that saw the construction of its beautiful Romanesque and Gothic buildings.After roughly 1.5 hours, arrive in the city and stroll around the Old Town with your guide.