Is a crane that is mounted on top of a tracked vehicle. They all feature large counterweights set on the back of the crane that allows them to lift and move very heavy loads without tipping over. Their lifting capacity ranges from 30 to 3000 tons.
Big Ben is the nickname for the great bell of the clock at the north end of the Palace of Westminster in London though today the name also refers to the clock and the clock tower. The bell weighs almost 14 tons and each clock face is 23 feet in diameter. It became fully operational on September 7th, 1859 and is today one of the most prominent symbols of London standing at 316 feet high. The clock requires winding three times per week and pennies are periodically added or removed from the clock of pendulum to maintain its accuracy.
Kepler is a space observatory launched by NASA to discover Earth-size planets orbiting other stars. Named after astronomer Johannes Kepler, the spacecraft was launched on March 7, 2009, into an Earth-trailing heliocentric orbit.
Is a temple located on the Athenian Acropolis in Greece and dedicated to the maiden goddess Athena whom the people of Athens considered their patron deity. Construction began in 447 BC when the Athenian Empire was at the height of its power and was completed in 438 BC. The Parthenon is the most recognizable enduring symbol of ancient Greece, Athenian democracy and western civilization.