 Complete the following phrase:  Her first significant international achievement was winning silver medal at the 2007 European Indoor Championships in Birmingham. In the same year, she won the silver medal at the 2007 World Championships in Osaka. After a disappointing Olympics in Beijing, she won her first gold medal at the European Indoor Championships in 2011 in Paris and the bronze medal at the 2011 World Championships in Daegu. In 2012, she won another silver medal at the 