Slate industry in Spain Slate industry in Spain 90% of Europes's natural slate used for roofing originates from the slate industry in Spain, with the region of Galicia being the primary source of production. Slate is a fine-grained metamorphic rock that splits into thin, smooth-surfaced layers. Metamorphic rock is rock which was once igneous or sedimentary and has been subsequently subjected to heat and pressure in varying degrees thereby altering its composition, structure and appearance. It is used extensively in the building industry, particularly for roofing tiles. The production of slate is estimated at 4 million tons per year. Galicia is situated on the
Whose Line Is It Anyway? (radio series) Whose Line Is It Anyway? (radio series) Whose Line Is It Anyway? (abbreviated to Whose Line? or WLIIA) is a short-form improvisational comedy radio programme. A television series of the same name was based on it in 1988. Following the conclusion of the British run in 1998, ABC began airing a version for the United States audience. The show consisted of a panel of four performers who create characters, scenes and songs on the spot, in the style of short-form improvisation games, many taken from theatresports. Topics for the games were based on predetermined prompts from the host. "Whose Line