BBC News website reader Kamyar Adl moved to the UK from Iran in 2000, but has recently returned to his homeland. Here are some of his photos of daily life in the capital, Tehran.
Motorcyclists manoeuvre around a cart on the city's Saadi Street.
A butcher's shop selling chickens in the historic Molavi district in the city's downtown area.
Two women walk past a poster of Iran's former leader Ayatollah Khomeini.
Anti-American propaganda, such as this parody of New York's Statue of Liberty, can be found on Tehran's streets.
Here men enjoy glasses of tea in the Tajrish district.
A man selling telephone cards in a market in Tajrish.
Long shadows cast as a man walks along Saadi Street. All pictures by Kamyar Adl.