Sudanese refugees carry the food distributed at a register station in Adre, Chad, on June 25, 2025. According to the statistic figures released by the UN earlier in June, more than 844,000 Sudanese refugees have fled to Chad after war broke out in Sudan in April 2023. (Xinhua/Wang Guansen)

A Sudanese refugee registers in Adre, Chad, on June 25, 2025. According to the statistic figures released by the UN earlier in June, more than 844,000 Sudanese refugees have fled to Chad after war broke out in Sudan in April 2023. (Xinhua/Wang Guansen)

Sudanese refugees wait for registration in Adre, Chad, on June 25, 2025. According to the statistic figures released by the UN earlier in June, more than 844,000 Sudanese refugees have fled to Chad after war broke out in Sudan in April 2023. (Xinhua/Wang Guansen)

Sudanese refugees enter Chad via Adre crossing in Adre, Chad, on June 24, 2025. According to the statistic figures released by the UN earlier in June, more than 844,000 Sudanese refugees have fled to Chad after war broke out in Sudan in April 2023. (Xinhua/Wang Guansen)

A doctor vaccinates a Sudanese child at a clinic in Adre, Chad, on June 25, 2025. According to the statistic figures released by the UN earlier in June, more than 844,000 Sudanese refugees have fled to Chad after war broke out in Sudan in April 2023. (Xinhua/Wang Guansen)

A doctor measures the arm circumference of a child at a clinic in Adre, Chad, on June 25, 2025. According to the statistic figures released by the UN earlier in June, more than 844,000 Sudanese refugees have fled to Chad after war broke out in Sudan in April 2023. (Xinhua/Wang Guansen)

A Sudanese refugee fetches water in Adre, Chad, on June 24, 2025. According to the statistic figures released by the UN earlier in June, more than 844,000 Sudanese refugees have fled to Chad after war broke out in Sudan in April 2023. (Xinhua/Wang Guansen)

Sudanese refugees wait for food distribution at a register station in Adre, Chad, on June 25, 2025. According to the statistic figures released by the UN earlier in June, more than 844,000 Sudanese refugees have fled to Chad after war broke out in Sudan in April 2023. (Xinhua/Wang Guansen)