Complex sentence: At present time, the construction of Citytunneln is ongoing and new station called Malmö Central Station Lower will be opened in December 2010 to make Malmö Central Station a transit station.
Split into simpler sentences: At present time, the construction of Citytunneln is ongoing. A new station called Malmö Central Station Lower will be opened in December 2010 to make Malmö Central Station a transit station.