Over 40 years after they became extinct there, rhinos are once again roaming the country of Mozambique. It is bringing the endangered species in from South Africa.
Some rangers have moved black and white rhinos over 1,610km to Mozambique's Zinave National Park.
"Rhinos are important to the ecosystem, which is one reason we're moving them all this distance," says Kester Vickery, a conservationist.
The Peace Parks Foundation hopes to move more than 40 rhinos to Mozambique over the next two years. Its manager, Anthony Alexander, says that the group has already brought many elephants to the national park, and now it's the rhinos' turn.
We will soon be eight billion
The world's population will reach eight billion people on November 15th, says the United Nations.
It also said that India will pass China as the most populous country on Earth in 2023.
This population milestone "is a reminder of our shared responsibility to care for our planet," said Antonio Guterres, the head of the United Nations.
"This is an occasion to celebrate our diversity, recognise our common humanity, and marvel at our advancements in health," he said.
The eight countries which will grow the fastest are the Democratic Republic of Congo, Egypt, Ethiopia, India, Nigeria, Pakistan, the Philippines and Tanzania.
Scientists think our population will reach 10 billion in the 2080s, and will then stop growing.
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