Complex sentence: When the plan for a new city, New Delhi, adjacent to and south of Old Delhi, was developed in the beginning of the 20th century, the new palace for the Viceroy of India was given an enormous size and prominent position.
Split into simpler sentences: When the plan for a new city, New Delhi, adjacent to and south of Old Delhi. It was developed in the beginning of the 20th century, the new palace for the Viceroy of India was given an enormous size and prominent position.