Complex sentence: Trehan studied abroad, first at Harrow Technical College & School of Arts in London in 1968, learning journalistic photography and later at Columbia University in New York, where she earned a master's degree in journalism in 1971.
Split into simpler sentences: Trehan studied abroad, first at Harrow Technical College & School of Arts in London in 1968, learning journalistic photography. She later went to Columbia University in New York, where she earned a master's degree in journalism in 1971.