The Seven New Wonders Of The World

Explanation
Ustad Ahmad Lahauri is considered to be the principal designer of the Taj Mahal. He was an architect from the Mughal Empire and is credited with the design and construction of the iconic monument. His expertise and artistic skills are evident in the intricate details and symmetrical layout of the Taj Mahal. Ustad Ahmad Lahauri's contribution to the Taj Mahal's design solidifies his status as the principal designer of this architectural masterpiece.

Explanation
Hiram Bingham is the correct answer because he is the one who discovered the ancient city of Machu Picchu. He was an American explorer and historian who stumbled upon the ruins in 1911 during his expedition in Peru. Bingham's discovery brought international attention to Machu Picchu and led to its eventual preservation and recognition as a UNESCO World Heritage site.

Explanation
The correct answer is 3rd century BC. The construction of the Great Wall of China began in the 3rd century BC. It was initially built as a series of separate walls by different states to protect themselves from invasions. However, it was during the Qin Dynasty in the 3rd century BC that the walls were connected and expanded to form the Great Wall as we know it today.

Explanation
Vespasian is the correct answer because he was the emperor who commissioned the construction of the Colosseum in Rome. The Colosseum was completed during the reign of his son, Titus, who also played a significant role in its inauguration. However, Vespasian is credited with initiating the construction of the Colosseum, making him the most appropriate answer to the question.

Explanation
During the 1st century AD, it is estimated that around 30,000 people lived in Petra. This number is based on archaeological evidence and historical records that suggest the population of the city during that time period.

Explanation
El Castillo is the correct answer because it refers to the largest and most prominent step pyramid at the center of Chichen Itza. This pyramid is also known as the Temple of Kukulcan and is a significant architectural and cultural landmark in the Mayan civilization. It is characterized by its impressive size, precise construction, and the unique astronomical alignments that occur during the equinoxes. The name "El Castillo" translates to "The Castle" in English, which reflects its grandeur and importance in Chichen Itza.

Explanation
The statue is located near Rio de Janeiro.