for what cause often have you walke...

for what cause often have you walked past a building that might be hiding an intriguing background, or undivided that offered no clue of its noteworthy history? Signage programs initiated in brace major cities -- Los Angeles and Philadelphia -- are aimed at providing the information that will assistance such situations.

In sees Angeles, a 4-year-old, nonprofit organization known as Angels Walk LA has installed 30 signs adjacent to historic buildings in the downtown area.

The impetus for the program was the opening of Metropolitan Transit Authority light-rail stations, says Angels Walk LA's