- Paleozoic (Wikipedia)
The Paleozoic (IPA: /ˌpæli.əˈzoʊ.ɪk,-i.oʊ-, ˌpeɪ-/ PAL-ee-ə-ZOH-ik, -ee-oh-, PAY-; or Palaeozoic) Era is the first of three geological eras of the Phanerozoic Eon. Beginning 538.8 million years ago (Ma), it succeeds the Neoproterozoic (the last era of the Proterozoic Eon) and ends 251.9 Ma at the start of the Mesozoic Era.
- U.S. Bank Centre (Wikipedia)
US Bank Centre is a 177 m (581 ft), 44-story skyscraper in Seattle, in the U.S. state of Washington. It opened as Pacific First Center and was constructed from 1987 to 1989. It is currently the eighth-tallest building in Seattle and was designed by Callison Architecture, who is also headquartered in the building. It contains 943,575 sq ft (87,661 m2) of office space.