A sculpture to honour the work of Ouma Katrina Esau, the last known fluent mother-tongue speaker of the indigenous N|uu language, is seen at their house in Upington, in the Northern Cape province, South Africa, April 18, 2023. REUTERS/Esa Alexander
A sculpture to honour the work of Ouma Katrina Esau, the last known fluent mother-tongue speaker of the indigenous N|uu language, is seen at their house in Upington, in the Northern Cape province, South Africa, April 18, 2023. REUTERS/Esa Alexander