Question: What is the architectural design of the cathedral that contains 500 sculptures by Jay Hall Carpenter?

Context articles: Saldanha (Lisbon Metro)
Washington National Cathedral
Jay Hall Carpenter
Campo Pequeno (Lisbon Metro)
Entre Campos (Lisbon Metro)
Restauradores (Lisbon Metro)
Casa Forma
Marquês de Pombal (Lisbon Metro)
São Sebastião (Lisbon Metro)
Picoas (Lisbon Metro)

Saldanha is an interchange station where the Red and Yellow Lines of the Lisbon Metro connect.
 The Yellow Line station is one of the 11 stations that belong to the original Lisbon Metro network, opened in December 29, 1959, and it's located in Praça Duque de Saldanha.
 The architectural design of the original Yellow Line station is by Falcão e Cunha.
 On March 14, 1977, the Yellow Line station was extended, based on the architectural design of Falcão e Cunha and Sanchez Jorge.
 On December 28, 1996, the Yellow Line station's northern atrium was refurbished, and on May 17, 1997, the Yellow Line station's southern atrium was also refurbished, both based on the architectural design by Paulo Brito da Silva.
 On August 29, 2009 the Red Line station was built, based on he architectural design by Germano Venade and located under Avenida Duque D'Ávila, serving the Avenidas Novas area of the city and the nearby Instituto Superior Técnico.
 In the same day, the Yelllow Line station's northern atrium was again refurbished, based on the architectural design of Paulo Brito da Silva and Sofia Carrilho.
The Cathedral Church of Saint Peter and Saint Paul in the City and Diocese of Washington, commonly known as Washington National Cathedral, is a cathedral of the Episcopal Church located in Washington, D.C., the capital of the United States.
 The structure is of Neo-Gothic design closely modeled on English Gothic style of the late fourteenth century.
 It is both the second-largest church building in the United States, and the fourth-tallest structure in Washington, D.C. The cathedral is the seat of both the Presiding Bishop of the Episcopal Church, Michael Bruce Curry, and the Bishop of the Diocese of Washington, Mariann Edgar Budde.
 In 2009, nearly 400,000 visitors toured the structure.
 Average attendance at Sunday services in 2009 was 1,667, the highest of all domestic parishes in the Episcopal Church that year.
Jay Hall Carpenter, born "ca".
 1961, is a professional sculptor, perhaps best known as creator of 500 sculptures for the Washington National Cathedral.
 His oeuvre includes private and public works in the hands of individuals and in American churches, the State Department, the Smithsonian Institution, Canterbury Cathedral, the New England Medical Center, West Point Military Academy, and the State of Maryland.
 Elected into the National Sculpture Society before the age of thirty, he has won national awards for his sculptures.
Campo Pequeno station is part of the Yellow Line of the Lisbon Metro.
 It's one of the 11 stations that belong to the original Lisbon Metro network, opened in December 29, 1959.
 This station is located on Avenida da República.
 The architectural design of the original station is by Falcão e Cunha.
 On March 26, 1979, the station was extended, based on the architectural design of Benoliel de Carvalho.
 On December 29, 1994, the station was refurbished, based on the architectural design of Duarte Nuno Simões and Nuno Simões.
Entre Campos station is part of the Yellow Line of the Lisbon Metro.
 It's one of the 11 stations that belong to the original Lisbon Metro network, opened in December 29, 1959.
 This station is located on Avenida da República.
 The architectural design of the original station is by Falcão e Cunha.
 On July 15, 1973, the station was extended, based on the architectural design of Dinies Gomes.
 On December 11, 1993, the station was refurbished, based on the architectural design of Sanchez Jorge.
Terreiro do Paço station is on the Blue Line of the Lisbon Metro.
 It's one of the 11 stations that belong to the original Lisbon Metro network, opened in December 29, 1959.
 This station is located on Praça dos Restauradores, connecting to the Rossio Railway Station (Sintra Line).
 The architectural design of the original station is by Falcão e Cunha.
 On February 11, 1977, the station was extended, based on the architectural design of Benoliel de Carvalho.
 On September 15, 1994, the north atrium of the station was refurbished, based on the architectural design of Sanchez Jorge.
 On August 8, 1998, the south atrium of the station was refurbished, based on the architectural design of Manuel Ponte
Casa Forma is a bespoke luxury interior design and architectural design company headquartered in London, UK specialising in creating bespoke luxury, turn-key design.
 It was created by CEO Faiza Seth in 2007 to develop properties in super prime locations of London and also offers its interior and architectural design services to third parties.
 Since inception, Casa Forma has successfully completed over 60 luxury residential and commercial projects in London as well as internationally.
 Casa Forma's international practice provides a comprehensive interior design and architectural design service for luxury residential, commercial, hospitality, aviation, and marine properties.
Marquês de Pombal is an interchange station where the Blue and Yellow Lines of the Lisbon Metro connect, being located on Praça Marquês de Pombal .
 The Blue Line station is one of the 11 stations that belong to the original Lisbon Metro network, opened in December 29, 1959.
 The architectural design of the original Blue Line station is by Falcão e Cunha.
 On July 15, 1995 the Yellow Line station was built, based on he architectural design of José Santa-Rita and João Santa-Rita, and the Blue Line station was extended and refurbished, based on the architectural design of Duarte Nuno Simões and Nuno Simões.
São Sebastião is an interchange station where the Blue and Red Lines of the Lisbon Metro connect, being located on Avenida António Augusto de Aguiar.
 The Blue Line station is one of the 11 stations that belong to the original Lisbon Metro network, opened in December 29, 1959.
 The architectural design of the original Blue Line station is by Francisco Keil do Amaral.
 On April 18, 1997, the Blue Line station was extended, based on the architectural design of Dinis Gomes.
 On August 29, 2009 the Red Line station was built, based on he architectural design of Tiago Henriques, and the Blue Line station was refurbished, also based on the architectural design of Tiago Henriques.
Picoas station is part of the Yellow Line of the Lisbon Metro.
 It's one of the 11 stations that belong to the original Lisbon Metro network, opened in December 29, 1959.
 This station is located on Avenida Fontes Pereira de Melo.
 The architectural design of the original station is by Falcão e Cunha.
 On November 9, 1982, the station was extended, based on the architectural design of Benoliel de Carvalho.
 On April 3, 1995, the station was refurbished, based on the architectural design of Dinis Gomes.