Complex sentence: In 1930 the only electric railway in Guatemala, the "Ferrocarril de los Altos", was inaugurated, which was later destroyed by mudslides and finally demolished in 1933.
Split into simpler sentences: In 1930 the only electric railway in Guatemala, the "Ferrocarril de los Altos", was inaugurated. It was soon destroyed by mudslides and finally demolished in 1933.