Telal Street, appears to be a more European end of the city and from family archives is shown as the birthplace of Charles Anthony Wratislaw
It appears Mr Marcopoli was a wealthy European (?) merchant with what appears to be a fine goods store in the picture. He was visited in 1909 by the intrepid traveller Gertrude Bell from whose roof she took at least 2 photos, viewable here 1 & 2: From one of the photos, it appears he had an antiquities collection as well.
The former German School of Aleppo