109 empty strollers sit in a Lviv square, representing children killed in the war

The sight is peaceful, but its meaning is profoundly sad: 109 strollers, arrayed in neat rows in Lviv's historic Rynok Square. They symbolize a stark tragedy, of the 109 children Ukrainian officials say have died so far in Russia's war on Ukraine.

Lviv Mayor Andriy Sadovyi posted an image and a video of the installation on Friday, urging people to share their own photos of the event.