Kseniia Kucher, 16, tells about routine Russian attacks in her native Kharkiv in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

Oleksandr Hryshchenko, 16, from the Sumy region ten kilometers from the Russian border, tells his story in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

Valerii Soldatenko, 16, from Luhansk region under Russian occupation, centre, and Kseniia Kucher, 16, from Kharkiv, left, talk with teachers in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

Children attend a Zoom-conference with Oleksandr Usyk, absolute world's heavyweight boxing champion, in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

First lady Olena Zelenska, centre in white, talks with children during her visit to the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

Oleksandr Hryshchenko, 16, left, watches as Valerii Soldatenko, 16, demonstrate a banner with written "resources of life" in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

Valerii Soldatenko, 16, from Luhansk region under Russian occupation, tells his story in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

Children dance as they relax in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

Children practice walking on a mine field training in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

Children dance as they relax in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

Children wear helmets and vests during mine safety training in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

First lady Olena Zelenska, in white, poses for a photo during her visit to the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)