. ▁ ▁The ▁term ▁encourag es ▁discipl ines ▁involved ▁in ▁design ing ▁the ▁built ▁environment ▁to ▁work ▁together ▁in ▁purs uit ▁of ▁qual ities ▁that ▁they ▁each ▁alone ▁are ▁unable ▁to ▁achieve . ▁ ▁Bernard ▁H unt , ▁of ▁HT A ▁Arch itect s ▁noted ▁that : ▁" We ▁have ▁theories , ▁special isms , ▁reg ulations , ▁ex h ort ations , ▁demonstr ation ▁projects . ▁We ▁have ▁pl ann ers . ▁We ▁have ▁highway ▁engine ers . ▁We ▁have ▁mixed ▁use , ▁mixed ▁ten ure , ▁architecture , ▁community ▁architecture , ▁urban ▁design , ▁neighbourhood ▁strategy . ▁ ▁But ▁what ▁seems ▁to ▁have ▁happened ▁is ▁that ▁we ▁have ▁simply ▁lost ▁the ▁art ▁of ▁pla cem aking ; ▁or , ▁put ▁another ▁way , ▁we ▁have ▁lost ▁the ▁simple ▁art ▁of ▁pla cem aking . ▁We ▁are ▁good ▁at ▁putting ▁up ▁buildings ▁but ▁we ▁are ▁bad ▁at ▁making ▁places ." ▁ ▁Jan ▁Ge hl ▁has ▁said ▁" First ▁life , ▁then ▁spaces , ▁then ▁buildings ▁– ▁the ▁other ▁way ▁around ▁never ▁works "; ▁and ▁" In ▁a ▁Society ▁becoming ▁stead ily ▁more ▁priv at ized ▁with ▁private ▁homes , ▁cars , ▁computers , ▁offices ▁and ▁sho pping ▁cent ers , ▁the ▁public ▁component ▁of ▁our ▁lives ▁is ▁disappear ing . ▁It ▁is ▁more ▁and ▁more ▁important ▁to ▁make ▁the ▁cities ▁inv iting , ▁so ▁we ▁can ▁meet ▁our ▁fellow ▁citizens ▁face ▁to ▁face ▁and ▁experience ▁directly ▁through ▁our ▁sens es . ▁Public ▁life ▁in ▁good ▁quality ▁public ▁spaces ▁is ▁an ▁important ▁part