听力原文: The United Nations Refugee Agency, UNHCR, says some Afghan refugees who have lived in Pakistan for two decades are returning home to areas of Afghanistan that are considered safe. Lisa Schlein in Geneva has this report. The UN refugee agency says 41 refugee families --left Pishin District of Pakistan' s Baluchistan Province on Tuesday. They were bound for the Kandahar region of southwestern Afghanistan. This is the first group of Afghan refugees to return home from Pakistan this year with UNHCR assistance. How many refugees have returned home earlier this year?