The Lotte World Tower rises 555 metres or 1,821 ft. This is 6 feet taller than the CN Tower! The building was completed on the 22nd of December 2016 and is the world's 5th tallest building.To mark the opening of the building, the Lotte World Tower celebrated with an amazing firework show today. This show is absolutely brilliant and certainly one of the best fireworks shows the world has ever seen. Watch a video of the festivities below.