there. we are afraid of this iron curtain thing. >> reporter: they're here to help ukraine, they say. it's the least they can do. >> it's very hard to feel that you are on the side of aggressor, you know? it's like you feel responsibility. you feel shame. you're also a victim of the situation because back home, it didn't feel like -- it's very hard to understand what can you do. >> reporter: the crowd spontaneously chants what they couldn't back in russia. "no to war." tanya just arrived in istanbul. she said she was detained and fined in st. petersburg for taking part in a protest. she had to leave her parents behind. opposing the war has even torn apart her own family. >> they watch tv, and they listen to propaganda, and it's really hard because now many, many families in russia are divided between these two sides, those who are again war and