Explanation

German Inventor Karl von Drais invent bicycle.

His machine, known as the "swiftwalker," hit the road in 1817.

Explanation

Height: 84 m

Weight: 1.9 million kg

Volume of trunk: 1,487 m3 (52,500 cu ft)

Diameter: 7.7 m 

Explanation

Wonder	Location	Image	Year
1: Giza Pyramids (honorary status)	Giza Necropolis, Egypt		2560 BC
2: Great Wall of China	China		700 BC
3: Petra	Ma'an, Jordan		312 BC
4: Colosseum	Rome, Italy		AD 80
5: Machu Picchu	Cuzco Region, Peru		AD 1450
6: Taj Mahal	Agra, India		AD 1643
7: Christ the Redeemer	Rio de Janeiro, Brazil		AD 1931

Explanation

It is a commune located in the Alpes-Maritimes department, and host city of the annual Cannes Film Festival, Midem, and Cannes Lions International Festival of Creativity.

The city is known for its association with the rich and famous, its luxury hotels and restaurants, and for several conferences.

Explanation

Explanation

Russian scientists on Saturday launched one of the world's biggest underwater space telescopes to peer deep into the universe from the pristine waters of Lake Baikal.

Explanation

Equatorial regions include: Amazon lowlands of South America, the Congo basin and the Guinea coast in equatorial Africa, south-east Asian islands, and some islands in the Caribbean sea. 

Explanation

New York Stock Exchange: by far the world's largest stock exchange by market capitalization

Explanation

The court is 78 feet (23.77 meters) long. Its width is 27 feet (8.23 meters) for singles matches and 36 feet (10.97 meters) for doubles matches. The service line is 21 feet (6.40 meters) from the net.

Explanation

A palette of greens often displays elevations. Dark green usually represents low-lying land, with lighter shades of green used for higher elevations. In the next higher elevations, physical maps often use a palette of light brown to dark brown.