Pigeons of Tehran
For centuries Iran relied on pigeons to supply guano as fertilizer for the fields. The guano was collected in almost 3000 squat, circular pigeon towers (dovecotes), each able to house about 14,000 birds. (read about it here >>>) Pigeon flying has been a popular sport in Iran for many centuries and is practiced throughout the country. The whistling of the pigeon trainers is heard often over the rooftops of the