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.
The building was even the tallest in the world from 2004 to 2007 until it was surpassed by Burj Khalifa in Dubai, United Arab Emirates. Taipei 101 is named for its location in Taiwan's capital Taipei and for the number of stories in the building â 101 in total.