Ethiopia has planted more than 200 million trees in a day, officials say, in what they believe is a world record.
Prime Minister Abiy Ahmed is leading the project, which aims to counter the effects of deforestation and climate change in the drought-prone country.
Some public offices have been shut down to allow civil servants to take part.
The UN says Ethiopia’s forest coverage declined from 35% of total land in the early 20th Century to a little above 4% in the 2000s. Read more