The pictures flashed up on the screen one by one - the huge crowds mourning his death, his body being laid in the ground and, finally, the simple stone tablet marking his burial spot.

BBC: In honour of Kaveh...

The crowds marched in mourning and remembrance, in a seemingly endless human chain moving slowly up the hill towards the monument to Armenia's most painful memory.

BBC: NEWS | Europe | Armenians remember mass killings

Bin Xu, assistant professor at Florida International University, argues that the "settings" common to so-called "national mourning", such as crowds lining a funeral procession route, help to intensify displays of grief.

BBC: What is 'national mourning' for?