Armed with smartphones, dozens of volunteers have been collecting data for the local branch of OpenStreetMap, a free, online geographic database - which is then used by sites including Google Maps. — Image by atlascompany on Freepik
BAMAKO: Under a blazing sun in Mali's capital, Amadou Menta leant over to measure a gutter then jotted down the results on a mapping app on his smartphone.
"We're collecting data," said the 27-year-old geography student, helping to chart the roadside drains of central Bamako with two friends.
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