Peter Calthorpe, moqapi oa litoropo le mongoli oa "Urbanism Mehleng ea Phetoho ea Tlelaemete", e sebelitse ho tse ling tsa merero e meholohali ea meralo ea litoropo United States lilemong tse 20 tse fetileng, libakeng tse kenyelletsang Portland, Salt Lake City, Los Angeles le ka mor'a leholiotsoana le boroa la Louisiana. A re ntho e molemohali eo litoropo li ka e etsang ho boloka moea oa pholiso ke ho lema lifate.
Ho bonolo hakaalo. Calthorpe o boletse. "Ee, o ka etsa marulelo a masoeu le marulelo a matala ... empa u kholoe, ke canopy ea seterateng e etsang phapang eohle."
Libaka tse nang le limela tse teteaneng tsa toropo li ka etsa lihlekehleke tse pholileng ka har'a setsi sa litoropo. Ho feta moo, litselana tse nang le moriti li khothalletsa batho ho tsamaea ho e-na le ho khanna. 'Me likoloi tse fokolang li bolela ho fokotseha ha chelete litseleng tse kholo le libaka tsa ho paka makoloi, tse sa monyeng mocheso feela empa hape li kenya letsoho ho felisoeng ha likhase tse futhumatsang lefatše.