Complex sentence: When the Lottery scheme ended in 1980, funding dried up and Viewpoint went into partnership with Media Arts, the public media centre in Swindon, though this partnership recognised and maintained the independence of Viewpoint.
Split into simpler sentences: When the Lottery scheme ended in 1980, funding dried up and Viewpoint went into partnership with Media Arts, the public media centre in Swindon. Though this partnership recognised and maintained the independence of Viewpoint.