Seven-year-old Bana Alabed lives in eastern Aleppo, Syria, with her parents and two brothers.
A week and a half ago her mother, Fatemah, opened a Twitter account in her daughter's name to document their family's life in the chaotic war-zone.
The account has since gained thousands of followers from around the world.
A recent video shows Bana looking out her window with fingers in her ears as bombs fall, jumping with each explosion.
In another tweet, the account shares an image of a bombed-out apartment. Bana's friend was killed in the blast, "This is my friend house bombed, she's killed. I miss her so much," she says.
Both Bana and her mother tweet from the account.
Her mother blames Russian President Vladimir Putin and Syrian President Bashar al-Assad for the mounting civilian death toll.
Since the collapse of a fleeting ceasefire brokered by the US and Russia, the divided city of Aleppo has endured an onslaught of airstrikes from Russian and Syrian forces as they seek to push rebels from strongholds in the north and west of the city.
More than 250,000 civilians, including 100,000 children, are estimated to be trapped in the Aleppo as Russian and Syrian bombs hit supply routes and hospitals in the area.
The UN recently called a halt to aid supplies after bombs hit an aid convoy, though Russia has denied responsibility for the attack.
US airstrikes in Syria are concentrated on Islamist militants such as IS, but many blame their accidental bombing of Russian-backed Syrian forces last month for shattering the freshly negotiated ceasefire.
While many online have been sceptical of Bana Alabed's account, particularly her sophisticated English skills, the BBC has confirmed the tweets as authentic.
The news organisation spoke with both Fatemah and Bana in a video call.
"She saw everything here," Fatemah Alabed said, "she saw her friend killed, and our house bombed. She saw her school bombed. So that affected her."
On Twitter, users have accused Ms Alabed of using her daughter as a propaganda tool. She says her daughter's words come from the heart.
"All are the truth," she told the BBC.
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