The relationship between Ethiopia and Eritrea could be summed up in two words: War and Peace.
At least 100,000 people were killed when the neighbours fought a two-year war over a disputed border region 20 years ago, followed by a tense military standoff.
However, things began to change last year.
Ethiopia's new Prime Minister Abiy Ahmed agreed to accept an international ruling that sided with Eritrea on the border dispute.
He launched a peace initiative with Eritrean leader Isaias Afwerki that resulted in diplomatic relations being restored.
Abiy Ahmed has now been awarded this year's Nobel Peace Prize.
So, what message will this send? And why wasn't the Eritrean leader honoured as well?
Tsedale Lemma - Journalist and Editor-in-Chief of Addis Standard, which focuses on Ethiopian news and politics.
Selam Kidane - Human Rights Activist who specialises on Eritrea.
Sanusha Naidu - Researcher at the Institute for Global Dialogue, a South African Think Tank.
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