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.
Willis tower is the oldest building in the list and the construction of the building completed in 1974. It stands 442 meters or 1,450 feet high and composes 108 floors. Willis Tower is also the longest building that held the longest tallest worldâs record in the list. It held the record for a quarter decade. This tower is also the tallest building in north America.