<prompt> Translate the following text to EnglishSehemu za zamani zaidi zimezuiwa ndani ya mfumo wa trafiki ya njia moja ambayo hupigwa wakati wa majira ya joto lakini kuna mshangao mwingi wa kupatikana ikiwa utachukua wakati wa kutembea kwenye barabara nyembamba.  <response>: The oldest sections are constrained within a one-way traffic system that gets clogged in summer but there are many surprises to be found if you take the time to wander the narrow streets. 