A line of rickshaws with drivers waiting for business, Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; A line of rickshaws with drivers waiting for business, Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

Bangladeshi rickshaw tricycles drivers on a Dhaka busy street

Dhaka, Bangladesh; April 26, 2013; Bangladeshi rickshaw tricycles drivers on a Dhaka busy street. The city is home to an estimated one million cycle rickshaws.

Several passengers using one rickshaw on a busy street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; Several passengers using one rickshaw on a busy street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A rickshaw driver driving a cargo rickshaw on a street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; A rickshaw driver driving a cargo rickshaw on a street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A rickshaw driver driving a cargo rickshaw on a street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; A rickshaw driver driving a cargo rickshaw on a street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A rickshaw driver driving a cargo rickshaw on a street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; A rickshaw driver driving a cargo rickshaw on a street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A rickshaw driver driving a cargo rickshaw on a street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; A rickshaw driver driving a cargo rickshaw on a street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

Rickshaw drivers on a crowded street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; Dhaka is the rickshaw capital of the world. The city is home to an estimated one million cycle rickshaws.

Close-up of rickshaw drivers in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; Close-up of rickshaw drivers in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

Colorful rickshaws waiting for passengers on a busy street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; Colorful rickshaws waiting for passengers on a busy street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

Colorful rickshaws waiting for passengers on a busy street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; Colorful rickshaws waiting for passengers on a busy street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A rickshaw driver on a crowded street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; A rickshaw driver on a crowded street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

Boy pulling a cart with five men on it in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; Boy pulling a cart with five men on it in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A lot of colorful rickshaws on a busy street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; A lot of colorful rickshaws on a busy street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

Passengers using rickshaws on a busy street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 26, 2013; Passengers using rickshaws on a busy street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A lot of colorful rickshaws on a busy street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 27, 2013; A lot of colorful rickshaws on a busy street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A lot of colorful rickshaws on a busy street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 27, 2013; A lot of colorful rickshaws on a busy street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A rickshaw driver and a policeman on a crowded street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 27, 2013; A rickshaw driver and a policeman on a crowded street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A rickshaw driver with a passenger on a crowded street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 27, 2013; A rickshaw driver with a passenger on a crowded street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

Rickshaw drivers on a crowded street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 27, 2013; Rickshaw drivers on a crowded street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A rickshaw driver repairing his rickshaw on a street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 27, 2013; A rickshaw driver repairing his rickshaw on a street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

A rickshaw driver on a crowded street in Dhaka, Bangladesh

Dhaka, Bangladesh; April 27, 2013; A rickshaw driver on a crowded street in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.

Close-up of rickshaw drivers in Dhaka, Bangladesh

Dhaka, Bangladesh; April 27, 2013; Close-up of rickshaw drivers in Dhaka, Bangladesh. The city is home to an estimated one million cycle rickshaws.