Blue Tongue Lizard Blue-tongue Skink. Blue tongue lizards come in a variety of sizes and colours but they all have distinctive blue tongues. Their blue tongue is a defensive mechanism. When the lizard is threatened it sticks out its large blue tongue and hisses loudly to scare off predators.
A skyscraper ad is a tall and narrow banner advertisement usually placed to the right of content on a Web page. Standard dimensions for a skyscraper ad are 160 X 600 pixels. Like another popular type of Internet ad, the leaderboard, the skyscraper offers an advertiser a large space for a message.
The world's first skyscraper was built in Chicago in 1885. Since that time, the United States has been home and still is home to some of the world's tallest skyscrapers. New York City, specifically the borough of Manhattan, notably having the tallest skyline in the country. Eleven American buildings have held the title of tallest building in the world (9 in New York City). New York City and Chicago have always been the centers of American skyscraper building.