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.
Spain is home to some huge cities, namely Malaga, Madrid, and Barcelona, to name just three. Everyone knows about the football in Barcelona, and most people who visit simply have to head to the Nou Camp, to check out the stunning stadium and learn about the history of the team.