On the eve of her first return to the stadium where she won heptathlon gold, Sheffield's Jessica Ennis-Hill has spoken of her fears about losing all her outdoor training facilities in her home city.
Don Valley Stadium will close in September and Jess says she's not confident that its replacement will be ready in time for her winter training regime.
She will take part in the anniversary games that begin tonight, exactly a year after the Olympic opening ceremony in London. She wants to prove her fitness ahead of the World Championships in Moscow in three weeks, but today she was looking even further ahead.
More top news
Afternoon weather with Jon Mitchell
More than 100 Auschwitz survivors from at least 17 countries were expected to attend the main ceremony at the concentration camp.
Standby for another big freeze as winter is set to return