Reference

  Welcome to Christo & Jeanne-Claude
  http://christojeanneclaude.net/
  Christo and Jeanne-Claude's The Gates, Project for Central Park, New York City
  http://www.nyc.gov/html/thegates/home.html
  Wikipedia - クリスト

via

  読書記録ChangeLog - 2005-05-14
  http://dkiroku.com/2005-05-14-12.html