Complex sentence: Ghantaghar (literally clock-tower) is a location in the center of Chandni Chowk, Delhi, where an iconic clock tower, termed Northbrook Clocktower during early 20th century, stood originally built in 1870 stood until its partial collapse and subsequent demolition in 1950s.
Split into simpler sentences: Ghantaghar (literally clock-tower) is a location in the center of Chandni Chowk, Delhi, where an iconic clock tower, termed Northbrook Clocktower during early 20th century, stood. The clock-tower was built in 1870 and stood there until its partial collapse and subsequent demolition in 1950s.