1. Colosseum

Colosseum (Italian: Colosseo, English: Colosseum), formerly known as Amphitheatrum Flavium, has also been translated into Colossium and Colossium. It was a place in the ancient Roman Empire for slave owners, nobles and freemen to watch fighting animals or slave fights.

2. Stonehenge

Stonehenge consists of huge stones, each weighing about 5 tons. Its main axis, the ancient road leading to the stone pillar and the rising sun on the morning of the summer solstice are on the same line; In addition, there are two stones that point to the direction of the winter solstice sunset.

3. hanging garden

Hanging Garden, also known as Hanging Garden, is one of the seven wonders of the world. Legend has it that it was built by Nebuchadnezzar of the Kingdom of Babylon in the 6th century BC for his homesick princess Amyitis, and it no longer exists.

It is said that the hanging garden adopts the three-dimensional gardening method, and the garden is placed on a four-story platform, which is made of asphalt and bricks. The platform is supported by 25-meter-high columns and has an irrigation system. The slaves keep pushing the handles connected with gears. All kinds of flowers and trees are planted in the garden, which looks like a garden hanging in mid-air from a distance, hence the name "Hanging Garden".

4. pyramid of khufu, Egypt

pyramid of khufu is the largest pyramid in ancient Egypt. The tower is 146.59 meters high. Due to years of weathering, the top has peeled off by 1 meters, and now it is 136.5 meters high, which is equivalent to the height of a 4-story building. The tower body is made of 2.3 million huge stones, with stones of different sizes weighing from 1.5 tons to 16 tons. The total weight of the tower is about 6.84 million tons, and its scale is the largest among more than 7 pyramids discovered in Egypt so far.

5. Saint Sophia Church

Saint Sophia Cathedral (English) is located in Sophia Square, Daoli District, Harbin City, Heilongjiang Province, China. It is a Byzantine Orthodox Church built in 197 and is a landmark building in Harbin.

6. Leaning Tower of Pisa

The Leaning Tower of Pisa (Italian: Torre pendente di Pisa or English: Leaning Tower of Pisa) was built in August 1173. It is an independent bell tower of the Cathedral of Pisa, Italy, located in the Miracle Square in the north of Pisa, Tuscany, Italy.

7. The statue of Zeus in Olympia

Zeus is the god of Greek mythology and the main god of Olympia. The statue of Zeus built for worship is the largest indoor statue in the world, and the temple of Zeus where the statue of Zeus is located is the birthplace of the Olympic Games. Philo of Byzantium wrote about the seven wonders of the world and said, "We are proud of the other six wonders, but we fear the statue of Zeus."