They are known due to "its practice of building and decorating a bower to attract females. This consists of two parallel walls of sticks, is built on the ground, and is used as a courtship arena during the breeding season. The male decorates it with bright blue coloured objects that it collects; the majority of decorations away from human habitation.
Street photographer Ehsan Hemmati is a master at depicting surreal and magical moments from the streets of Kermanshah, Iran and beyond. We asked him a few questions about his approach to photography.