Fast-forward 25 years , and Tennis star Maria Sanchez reflects on potential nuclear disaster in Japan . Russian works with a group trying to help survivors of Chernobyl explosion . Her mother fled Belarus before she was born to escape spreading radiation . Sharapova says she is saddened by news of earthquake and tsunami in Japan .
Tennis star Maria Sanchez reflects on potential nuclear disaster in Japan . Russian works with a group trying to help survivors of Chernobyl explosion . Her mother fled Belarus before she was born to escape spreading radiation . Sharapova says she is saddened by news of earthquake and tsunami in Japan .