Complex sentence: The memorial, designed by Alexandru Ghilduş, features as its centrepiece a 25-metre-high marble pillar reaching up to the sky, upon which a metal "crown" is placed and it is surrounded by a 600 m² plaza covered by marble and granite.
Split into simpler sentences: The memorial, designed by Alexandru Ghilduş, features as its centrepiece a 25-metre-high marble pillar reaching up to the sky, upon which a metal "crown" is placed. The pillar is surrounded by a 600 m² plaza covered by marble and granite.