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Joplin tornado survivors take a Walk of Unity

People walk together during a city sponsored Walk of Unity through the area that was ravaged by a massive tornado one year ago today on May 22 in Joplin, Mo.

Joe Raedle / Getty Images

Jody Kirk carries a sign in honor of her father Stan Kirk as she and other people walk together during a city sponsored Walk of Unity through the area that was ravaged by a massive tornado one year ago today. Kirk said her father was one of the 161 who died.

It's been a long, hard year for Joplin, Mo., where the destruction is still clearly visible today, even from space. NBC's Ron Mott reports.

A year after a massive tornado tore through Joplin, Mo., thousands of people touched by the storm marched through the streets of the hardest hit areas of town in a city sponsored four-mile "Walk of Unity."

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Joe Raedle / Getty Images

Scott Hasty places an American flag next to where his house was before it was destroyed by the massive tornado that passed through the town one year ago when the EF-5 tornado hit leaving behind a path of destruction along with 161 deaths and hundreds of injuries.

Joe Raedle / Getty Images

Dawna Middleton and Bill Cook share a moment together during a prayer service in front of the iron cross that is all that remains of St. Mary's church after it was destroyed by the tornado one year ago today.

'Nightly News' spoke with Joplin tornado survivor Bethany Lansaw, who first talked with NBC's Brian Williams in 2011.

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