China's post Tiananmen generation

It started as a peaceful demonstration - hundreds of thousands calling for democratic reforms in Communist China 25 years ago.

But after weeks of protest in Tiananmen Square the authorities sent in soldiers and tanks to clear the heart of the capital killing hundreds of unarmed civilians.

But how much has changed in quarter of a century?

The BBC's China Editor Carrie Gracie has been back to Beijing to find out what young people think today.