Complex sentence: At the nursery Expo of 1992, the park became a wildlife reserve spanning an area of about 10 hectares, a botanical collection of more than 100 different species, and a greenhouse were added.
Split into simpler sentences: At the nursery Expo of 1992, the park became a wildlife reserve spanning an area of about 10 hectares. Consequently, a botanical collection of more than 100 different species, and a greenhouse were added.