Let's Be Like Laos

I just read an article about Laos. We bombed them extremely heavily them during the Vietnam war, and they weren't even involved. People there are still getting killed from unexploded US bombs and mines. The writer noticed how nobody he met seemed to be resentful or angry about it. They only expressed kindness and forgiveness. He finally asked his tour guide if their forgiveness is genuine. He replied by asking if anger can change the past.