Crucifixion in the arts on a mathematical representation of the fourth dimension that is both unseeable and spiritual; Gary Bolyer assesses it as "one of the most beautiful works of the modern era." The sculpture "Construction (Crucifixion): Homage to Mondrian", by Barbara Hepworth, stands on the grounds of Winchester Cathedral. Porfirio DiDonna's abstract "Crucifixion" is one of a number of religious works he painted in the 1960s, "blending the artist's devotion to the liturgy and his commitment to painting". The "Welsh Window", given to the 16th Street Baptist Church after it was bombed by four Ku Klux Klansmen in 1963, is a work of
Environmental issues in New York City Trade Center, which recycles rainwater and uses it in toilets and for irrigation, and computer-controlled heating and lighting. The United States Green Building Council estimates 3,000 new green apartments in New York City have been built since 2001. In 2000 the state of New York introduced a green building tax credit, the first one of its kind in the United States, that has allowed some developers of environmentally friendly buildings to write off as much as $6 million on their tax bill. The city's Department of Design and Construction developed a set of guidelines in 1999 that encourage environmentally sound