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 tallest structure in the world is the Burj Khalifa skyscraper at 829.8 m (2,722 ft). Listed are the tallest structures in the world: guyed masts (such as telecommunication masts), self supporting towers (such as the CN Tower), skyscrapers (such as the Willis Tower), oil platforms, electricity transmission towers, and bridge support towers. This list is organized by absolute height.