Complex sentence: Colònia Güell was the brainchild of Count Eusebi de Güell, however with Güell losing profits from his business, the money was depleted and only the crypt was completed.
Split into simpler sentences: Colònia Güell was the brainchild of Count Eusebi de Güell. However with Güell losing profits from his business, the money ran out and only the crypt was completed.