The elusive British street artist Banksy has unveiled his latest work — a gymnast drawn onto a bombed-out building in Borodyanka, on the outskirts of Kyiv. The piece appeared on the artist’s Instagram, with the caption “Borodyanka, Ukraine.” The work, stenciled on the wall of a war-damaged building in Borodianka, a town a few kilometres northwest of the Ukrainian capital that has become a symbol of Ukrainian resistance to Russian bombing, depicts a gymnast balancing on the rubble. Borodyanka had been occupied by Russian forces until April and was heavily damaged by fighting in the early days …