Amazing facts

Fact 1: Black holes are formed when massive stars exhaust their nuclear fuel and collapse under their own gravitational pull, concentrating mass in a tiny, infinitely dense point known as a singularity.

Fact 2: The boundary surrounding a black hole is called the event horizon. Once an object crosses this boundary, it is irreversibly drawn into the black hole.

Fact 1: The Amazon Rainforest spans over 6.7 million square kilometers (2.7 million square miles) across nine South American countries, making it the largest rainforest on the planet.

Fact 2: This lush jungle is home to an estimated 390 billion individual trees representing around 16,000 different species.

Fact 1: The Burj Khalifa stands as the tallest man-made structure globally, reaching a height of 828 meters (2,717 feet).

Fact 2: Designed by the renowned architect Adrian Smith, the Burj Khalifa's construction commenced in 2004 and was completed in 2010.

Fact 1: Angkor Wat was built in the early 12th century by King Suryavarman II as a Hindu temple dedicated to the god Vishnu.

Fact 2: It later transitioned into a Buddhist temple, reflecting the cultural shifts in the Khmer Empire during its construction.

Fact 1: Easter Island, also known as Rapa Nui, is a Chilean territory located over 2,000 miles from the nearest inhabited land.

Fact 2: The Moai were carved by the Rapa Nui people between the 13th and 16th centuries, with the majority created in the 16th century.

Fact 1: Machu Picchu is believed to have been built by the Inca emperor Pachacuti in the mid-15th century as a royal estate.

Fact 2: It is situated at an elevation of approximately 2,430 meters (7,970 feet) above sea level in the Cusco Region of Peru.

Fact 1: The Statue of Liberty, officially titled "Liberty Enlightening the World," was a gift from the people of France to the United States.

Fact 2: Designed by French sculptor Frédéric Auguste Bartholdi, the statue's framework was built by Gustave Eiffel, the engineer behind the Eiffel Tower.

Fact 1: The Leaning Tower of Pisa, known as "Torre Pendente di Pisa" in Italian, is a freestanding bell tower located behind Pisa Cathedral.

Fact 2: Construction of the tower began in 1173 and continued for almost 200 years, with interruptions due to wars and instability.

Fact 1: The Sydney Opera House, located on Bennelong Point in Sydney Harbor, is one of the most distinctive and recognizable buildings in the world.

Fact 2: Designed by Danish architect Jørn Utzon, the construction of the Sydney Opera House took 14 years and was completed in 1973.

Fact 1: The Kremlin, meaning "fortress inside a city," is a fortified complex located at the heart of Moscow, overlooking the Moskva River.

Fact 2: Construction of the Kremlin began in the late 15th century during the reign of Ivan III and continued over the centuries, with various rulers adding structures and enhancing its defenses.

Fact 1: The Great Wall of China is a series of fortifications made of stone, brick, tamped earth, wood, and other materials, generally built along an east-to-west line across the historical northern borders of China.

Fact 2: Construction of the Great Wall began over 2,000 years ago, with various dynasties contributing to its expansion. The majority of the existing wall was built during the Ming Dynasty (1368–1644).

Fact 1: Turtles are reptiles belonging to the order Testudines, characterized by their bony or cartilaginous shell.

Fact 2: They have been around for more than 220 million years, making them one of the oldest surviving reptile groups.