Original sentence: It is a symbol a growth phase of downtown Oakland's commercial real estate market in the 1970's and 1980's.The complex is the by-product of a redevelopment plan hatched in the late 1950's.The delay--mainly due to financial reasons--came to an end in February 2008, when replacement escalators were finally in place and running again.The latter was approved for construction in late 2007; on October 1st, 2008, a groundbreaking gathering occurred for the tower
Edited sentence: It is a symbol a growth phase of downtown Oakland's commercial real estate market in the 1970s and 1980's.The complex is the by-product of a redevelopment plan hatched in the late 1950s.The delay—mainly due to financial reasons—came to an end in February 2008, when replacement escalators were finally in place and running again.The latter was approved for construction in late 2007; on October 1, 2008, a groundbreaking gathering occurred for the tower