Complex sentence: On top of the hill, a huge allegorical statue of Mother Motherland was erected, a concrete sculpture 52 meters tall, dominating the skyline of the city of Stalingrad, later renamed Volgograd.
Split into simpler sentences: On top of the hill, a huge allegorical statue of Mother Motherland was erected. It is a concrete sculpture 52 meters tall, dominating the skyline of the city of Stalingrad, later renamed Volgograd.