内容摘要：Residents watch the annual Hillbrow street parade organized by the Windybrow Arts Centre and other local organisations go by in downtown Johannesburg, South Africa, Saturday, May 24, 2025. (AP Photo/Jerome Delay)

Residents watch the annual Hillbrow street parade organized by the Windybrow Arts Centre and other local organisations go by in downtown Johannesburg, South Africa, Saturday, May 24, 2025. (AP Photo/Jerome Delay)

An Ukrainian soldier hugs with women after returning from captivity during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)People show photos of their missed relatives to Ukrainian soldiers during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)

People show photos of their missed relatives to Ukrainian soldiers during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)A woman cries during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)A woman cries during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)

A Ukrainian soldier speaks by a phone to his relative after returning from captivity during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)A Ukrainian soldier speaks by a phone to his relative after returning from captivity during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)

In this photo taken from video released by Russian Defense Ministry Press Service on Saturday, May 24, 2025, Russian servicemen react in a bus upon arrival to Chkalovsky airport, outside Moscow, Russia, after returning from captivity by a POWs exchange between Russia and Ukraine. (Russian Defense Ministry Press Service photo via AP)

In this photo taken from video released by Russian Defense Ministry Press Service on Saturday, May 24, 2025, Russian servicemen react in a bus upon arrival to Chkalovsky airport, outside Moscow, Russia, after returning from captivity by a POWs exchange between Russia and Ukraine. (Russian Defense Ministry Press Service photo via AP)Mine Safety Health Administration, Hibbing, Minn. (2,622 square feet)

Geological Survey, Hilo, Hawaii (10,731 square feet)Federal Mediation and Conciliation Service, Independence, Ohio (6,609 square feet)

United States Fish and Wildlife Service, Indianola, Iowa (2,616 square feet)United States Fish and Wildlife Service, Jacksonville, Fla. (2,700 square feet)