As tensions rise between Iran, the US and its allies, the BBC has been given rare access to Iran.
Iranians remain furious that US President Donald Trump pulled out of the nuclear deal last year and has imposed crushing sanctions on the country.
BBC correspondent Martin Patience, along with cameraman Nik Millard and producer Cara Swift, have been in Tehran and the holy city of Qom, talking to Iranians about the escalating crisis.
While in country, recording access was controlled - as with all foreign media the team was accompanied by a government representative at all times.
