legorreta's plan enlarged the area designated for pedestrians and greenery to . he paved the square with reddish stones and added a blue trench as a "water element". to emphasize the historical importance of the site, legorretta also designed elements on a double scale. these include a wall measuring high and wide, covered by red ceramic plaques, allowing the square "to be identified from far away" and stone columns in height that function as "vertical lamps" during the night. the standout design elements generated controversy among jerusalem residents when they were first proposed. a public protest led by the lemallah grassroots citizens watch group, which produced a youtube video, circulated a petition, and brought protesters to city planning meetings, nixed the red wall installation.