Ukraine's President Zelenskyy has said that every European country that borders Russia and wants to be safe must be a member of both the EU and Nato.

One nation that now has what Ukraine wants is Finland, the most recent addition to the western alliance.

The war in Ukraine, and Nato membership, has shifted the mindset in Finland which has an 800-mile border with Russia.

The once neutral country is now fortifying its territory with miles and miles of barbed wire.

We joined military drills on Nato’s newest frontier.

(Subscribe: https://bit.ly/C4_News_Subscribe)

-------

Watch more of our explainer series here - https://www.youtube.com/playlist?list=PLXjqQf1xYLQ6bu-iixvoFTVsiXQVlVniX
Get more news at our site - https://www.channel4.com/news/

Follow us:
Facebook - https://www.facebook.com/Channel4News/
Twitter - https://twitter.com/Channel4News
TikTok - https://www.tiktok.com/@c4news
Instagram - https://www.instagram.com/channel4news/