Some notable buildings in the old town include : Town church , built NUMBER@1 City hall at LOCATION@1 , built in NUMBER@2 LOCATION@2 , built in NUMBER@3 : with symmetrical MISC@1 building with an outdoor staircase and a gate .

These include : Town church , built NUMBER@1 MISC@2 , built in NUMBER@2 LOCATION@2 , built in NUMBER@3 A library The Museum MISC@3 theatre , from the 1st century A.D. Aquatinta Economics Lenzburg is an important economic centre .
