A hallucination is a perception in the absence of external stimulus that has qualities of real perception. Hallucinations are vivid, substantial, and are perceived to be located in external objective space.
Construction begins on Poland's tallest tower by Foster + Partners. Work has started on a 310-metre-high Warsaw skyscraper by Foster + Partners, expected to become the tallest building in Poland. The Varso Tower, or Warsaw Tower, is now under construction on a brownfield site next to the Warszawa Centralna railway station, with completion slated for 2020.
Standing at 1667 feet tall, the 101-floored Tapei 101 is located in Taipei City. The structure is best known for having once held the position of world's tallest building after its construction in 2004, as well as for having a unique blue-green glass curtain tint.