Statue of Liberty

The Statue was completed in France in July 1884 and arrived in New York Harbor in June 1885 onboard the French frigate "Isere."

In transit, the Statue was reduced to 350 individual pieces and packed in 214 crates. The Statue was reassembled on her new pedestal in four months’ time. On October 28, 1886, President Grover Cleveland oversaw the dedication of the Statue of Liberty in front of thousands of spectators.

Eiffel Tower

The Eiffel Tower was once the tallest structure in the world built in the late 1800’s in Paris, France. It measures 324 Mtrs to its tip. There are 1655 steps to the top of the tower. The Eiffel Tower is the most-visited paid monument in the world.

The puddled iron (wrought iron) of the Eiffel Tower weighs 7,300 tons, and the addition of lifts, shops and antennae have brought the total weight to approximately 10,100 tons. Depending on the ambient temperature, the top of the tower may shift away from the sun by up to 18 cm (7 in) due to thermal expansion of the metal on the side facing the sun.

Taj Mahal

The Taj Mahal, one of the Seven Wonders of the World. For quicker and easier transportation of raw materials and marbles, an inclined ramp was made by using tightly pressurized earth. This 9.32 mile 15 km long ramp was the lifeline of the whole construction process. Moreover, to bring marble and other construction materials to the ramp, bullock carts with special wagons were used. In order to jack up the huge marble pieces, a specially designed pulley system was used. The water needed for the construction was pulled out of the river using a mechanical bucket system attached with ropes and pulled by animals. The translucent white marble was brought from Makrana, Rajasthan, the jasper from Punjab, jade and crystal from China. The turquoise was from Tibet and the Lapis lazuli from Afghanistan, while the sapphire came from Sri Lanka and the carnelian from Arabia. Approximately twenty thousand workers worked on this building simultaneously. Sculptors and architects from different parts of India were hired to carve the marble flowers that are found throughout the building.

Great Wall of China

The history of the Great Wall of China began when fortifications built by various states during the Spring and Autumn (771–476 bc) and Warring States periods (475–221 bc) were connected by the first emperor of China, Qin Shi Huang, to protect his newly founded Qin dynasty (221–206 bc) against incursions by nomads from Inner Asia.

The walls were built of rammed earth, constructed using forced labour, and by 212 bc ran from Gansu to the coast of southern Manchuria. The Great Wall over the ages used around 100,000,000 tonnes of stone, bricks, and mud. According to history and legend, there were three ways to get the materials up the mountains and across the plains...Carried by Hand, Primitive Technology — wheel barrows and ropes & Animal Use.