How did the differences in site topography change the approach of henry wright and clarence stein at chatham village?
a. All the buildings were clustered together on the hilltop with parking in lots in the valley
b. the small amount of level space required 8 story residential towers with underground parking
c. the land was too flat and near the river, so the buildings were on columns to reduce the flooding hazard
d. the buildings had to serve as retaining walls and the parking was below the building.