Explanation

The Colosseum is an oval amphitheater in the center of the city of Rome, Italy

the largest standing amphitheater in the world, despite its age.

Construction started: 72 AD

Opened: 80 AD

Founded: AD 70–80; 1943 years ago

The Colosseum and the Forum are right next to each other in Rome

Explanation

The Louvre, is located in Paris, France.

Largest art museum in the world with an area size of 782,910 square feet.

This museum is considered a historic monument in Paris and is part of the Louvre Palace, which was built in the 12th century.

Explanation

List of the tallest buildings in the world.

Explanation

Madame Tussauds is a wax museum.

Madame Tussauds was founded in 1835.

Founder French wax sculptor Marie Tussaud

Located in London, England

Explanation

Elysee Palace is located in the capital of France in Paris.

Elysee Palace is the residence of President of France.

Explanation

Big Ben is a clock at the British Parliament building.

It is located in London, England 

Architect: Augustus Pugin

Height: 96 m 

Explanation

Who Built the Great Wall?

Qin Shi Huang, also called the First Emperor, united China.

Chinese created this wall as a defense against?

Mongols

When great wall of china was made ?

221 BC (7th CE)

The Ming Great Wall's Length:

8,851 km (5,500 mi)

The official length of the Great Wall is

21,196 km (13,170 mi).

Explanation

The Arch of Janus is an ancient Roman structure located in Rome, Italy.

It was constructed in the 4th century AD.

It is believed to have been a monument to the god Janus.

It is symbolizing transitions and duality.

Explanation

Temple Trees is the official residence of the Prime Minister of Sri Lanka.

It is located in Colombo, Sri Lanka

Additional information 

 It was owned between 1830 and 1834 by John Walbeoff of the British Civil Service, 

Christopher Elliott M.D. bought the house in 1848.

 In 1856 it was sold to John Philip Green who named it "Temple Trees" 

Explanation

Niagara Falls was discovered by French explorer, Father Louis Hennepin in December 1678. Niagara Falls is a group of three waterfalls at the southern end of Niagara Gorge, spanning the border between the US state of New York and the Canadian province of Ontario.