ms. salgado mentioned, it is visible. our material selections and window detailing, we tried to focus on things that will let this be addition into a an urban fabric. weapon want to let tha -- we wao let that be the highlight. in terms of the secretary of interior standards, i think the two that have been our guide post have been that, addition should be differentiated while still relating to the existing structure and if removed, it's not degrading the integrity existing structure. one are the places where this came to focus for us, is where the nut and ol -- new and old m. one place we like commissioners input today is in our design of our sky lights. we presented two options. the primary option that was included is a more modern flat sky light scheme that will keep top of those skylights close to the top of the parapit. preferred scheme is more traditional to pyramid hip roof skylight. this allows for more simple kind of detail which we feel is appropriate to this era of structure. as we looked around the district, you