United coordinate space implementation: results of methodic testing
People could connect the spaces above the ground and water with wood and stone materials, floating, beamed, suspension and arched structure from ancient times. The history of bridge construction is reckoned in thousands of years. Every year, it continues to evolve and amaze us with complexity of the structures, used materials, and new records of length and height. We bring to your notice an overview of unique bridges, which allows revealing a rich history of bridge construction.