When they evaluated the walkability of Boulder's 19th Street corridor, toddlers spent long stretches exploring leaves in a ditch and sparkles in the sidewalk.
Saat koridor <i>19th Street</i> kota Boulder dievaluasi keramahan pejalan kakinya, balita berjalan jauh melihat-lihat dedaunan di pinggir sungai dan kemilau di tepi jalanan.