Complex sentence: The crown prince visited Bhuttan on an official visit in March 1997 leaving the country with his delegation on a commercial flight with the Bhuttanese national airline, Druk Air on March 6.
Split into simpler sentences: The crown prince visited Bhuttan on an official visit in March 1997. He left the country with his delegation on a commercial flight with the Bhuttanese national airline, Druk Air on March 6.