The Siberian Tiger are also known as the Amur Tiger. They live in eastern Russia. It is estimated to be about 500 Siberian left in the wild. They can weight up to 700 pounds.
The Paulinskill Viaduct, also known as the Hainesburg Viaduct, is a reinforced concrete railroad bridge that crosses the Paulins Kill in Knowlton Township, New Jersey. When completed in 1910, it was the largest reinforced concrete structure in the world
The Marquam Bridge is located in Portland, Oregon. The main span of the Marquam Bridge is 440 feet long. It was open to traffic in 1966. The bridge was designed with three lanes in each direction with shoulders on each deck. Today, it carries four narrow lanes and no shoulders on each deck.
The black skimmer is a tern-like seabird, one of three very similar birds species in the skimmer genus Rynchops in the gull family Laridae. It breeds in North and South America.