It may seem strange today, but using human powered rickshaws was, at the time, cheaper than using horses. It is known that in 1872 there were already about 40000 rickshaws in Tokyo.
Today, rickshaws can be seen in traditional areas, mainly for tourist entertainment:
EXIF info:
Nikon D90
Lens: VR 18-55mm F/3.5-5.6G
Focal Length: 18mm
Aperture: F/5.6
Shutter Speed: 1/640s
ISO Sensitivity: ISO 200