How the war in Syria is affecting children's lives
30 September 2016 Last updated at 09:11 BST
Syria in the Middle East used to be a country where children lived normal lives, going to school, playing with friends and growing up in safety.
But this hasn't been possible since a war started there more than five years ago.
In the country's biggest city Aleppo there are signs that the problems could be getting even worse.
Despite that, children in Syria are trying to get by and do what they can to put a smile on their faces, as Leah's been finding out...