In this photo taken on Saturday, June 6, 2020, a man trains to box in the outdoors gym on the Dolobetskiy island on the Dnipro River in Kyiv, Ukraine. Relishing an opportunity to do exercise after a long lockdown, hundreds of Kyiv residents flock to an improvised outdoor workout on an island facing the Ukrainian capital. The Kachalka gym on the Dolobetskiy island on the Dnipro river has enjoyed broad popularity ever since it opened in 1966. (AP Photo/Evgeniy Maloletka)

In this photo taken on Saturday, June 6, 2020, Andriy Demyanchenko prepares to lift weight in the outdoors gym on the Dolobetskiy island on the Dnipro River in Kyiv, Ukraine. Relishing an opportunity to do exercise after a long lockdown, hundreds of Kyiv residents flock to an improvised outdoor workout on an island facing the Ukrainian capital. The Kachalka gym on the Dolobetskiy island on the Dnipro river has enjoyed broad popularity ever since it opened in 1966. (AP Photo/Evgeniy Maloletka)

In this photo taken on Monday, June 8, 2020, two men compete in arm wrestling in the outdoors gym on the Dolobetskiy island on the Dnipro River in Kyiv, Ukraine. Relishing an opportunity to do exercise after a long lockdown, hundreds of Kyiv residents flock to an improvised outdoor workout on an island facing the Ukrainian capital. The Kachalka gym on the Dolobetskiy island on the Dnipro river has enjoyed broad popularity ever since it opened in 1966. (AP Photo/Evgeniy Maloletka)

In this photo taken on Saturday, June 6, 2020, a woman trains in the outdoors gym on the Dolobetskiy island on the Dnipro River in Kyiv, Ukraine. Relishing an opportunity to do exercise after a long lockdown, hundreds of Kyiv residents flock to an improvised outdoor workout on an island facing the Ukrainian capital. The Kachalka gym on the Dolobetskiy island on the Dnipro river has enjoyed broad popularity ever since it opened in 1966. (AP Photo/Evgeniy Maloletka)

In this photo taken on Sunday, June 7, 2020, a man trains in the outdoors gym on the Dolobetskiy island on the Dnipro River in Kyiv, Ukraine. Relishing an opportunity to do exercise after a long lockdown, hundreds of Kyiv residents flock to an improvised outdoor workout on an island facing the Ukrainian capital. The Kachalka gym on the Dolobetskiy island on the Dnipro river has enjoyed broad popularity ever since it opened in 1966. (AP Photo/Evgeniy Maloletka)

In this photo taken on Saturday, June 6, 2020, a man trains in the outdoors gym on on the Dolobetskiy island on the Dnipro River in Kyiv, Ukraine. Relishing an opportunity to do exercise after a long lockdown, hundreds of Kyiv residents flock to an improvised outdoor workout on an island facing the Ukrainian capital. The Kachalka gym on the Dolobetskiy island on the Dnipro river has enjoyed broad popularity ever since it opened in 1966. (AP Photo/Evgeniy Maloletka)

In this photo taken on Monday, June 8, 2020, a man trains in the outdoors gym on the Dolobetskiy island on the Dnipro River in Kyiv, Ukraine. Relishing an opportunity to do exercise after a long lockdown, hundreds of Kyiv residents flock to an improvised outdoor workout on an island facing the Ukrainian capital. The Kachalka gym on the Dolobetskiy island on the Dnipro river has enjoyed broad popularity ever since it opened in 1966. (AP Photo/Evgeniy Maloletka)

In this photo taken on Saturday, June 6, 2020, Andriy Demyanchenko, 55, trains uses a part of the tracks of the tank in the outdoors gym on the Dolobetskiy island on the Dnipro River in Kyiv, Ukraine. Relishing an opportunity to do exercise after a long lockdown, hundreds of Kyiv residents flock to an improvised outdoor workout on an island facing the Ukrainian capital. The Kachalka gym on the Dolobetskiy island on the Dnipro river has enjoyed broad popularity ever since it opened in 1966. (AP Photo/Evgeniy Maloletka)

In this photo taken on Monday, June 8, 2020, a man comes out of the water after exercising in the outdoors gym on the Dolobetskiy island on the Dnipro River in Kyiv, Ukraine. Relishing an opportunity to do exercise after a long lockdown, hundreds of Kyiv residents flock to an improvised outdoor workout on an island facing the Ukrainian capital. The Kachalka gym on the Dolobetskiy island on the Dnipro river has enjoyed broad popularity ever since it opened in 1966. (AP Photo/Evgeniy Maloletka)

In this photo taken on Sunday, June 7, 2020, a man trains in the outdoors gym on the Dolobetskiy island on the Dnipro River in Kyiv, Ukraine. Relishing an opportunity to do exercise after a long lockdown, hundreds of Kyiv residents flock to an improvised outdoor workout on an island facing the Ukrainian capital. The Kachalka gym on the Dolobetskiy island on the Dnipro river has enjoyed broad popularity ever since it opened in 1966. (AP Photo/Evgeniy Maloletka)