- El Puente de Esperanza (The Bridge of Hope) Queretaro, Mexico Volunteers needed for our July, 2002 camp Contact bridgeofhopeAK@yahoo.com These Halls will sing again..... Something wonderful is happening within the old music conservatory building of the Diocese of Queretaro, Mexico. The building, abandoned for 30 years, is now home to El Puente de Esperanza (The Bridge of Hope), a residential ...www.mexonline.com/elpuente.htm