i, maria cheremeteff, from city college of san francisco art department, welcome you here to this church. and i would like to invite you to a tour to step with me from this narthex, which is the entrance to the church, and then walk with me through the nave and then up and toward the sanctuary barrier which is the icon or image screen dividing the sanctuary where the ritual is performed from the nave where the congregation meets. and so would you follow me then on our tour. [music] to give a better history of this church, this magnificent structure, i have asked father anthony to give us the historical background of its construction and the design of the decorative program of the interior. maria, welcome to our church on brotherhood way. thank you. the greek orthodox church of holy trinity. and i understand that you want to know some things about our church. yes, i do. students come to me and ask, following their programs that they're watching on television for telecourse, what happens to art following the roman empire and they mean the fifth century a.d.? isn't there any art for the nex