At which English stadium did the charity event of Live Aid take place in 1985?

Explanation

The Live Aid was organized by musicians Bob Geldof and Midge Ure. The event consisted of two simultaneous concerts - one at Wembley stadium in London and another at the John F. Kennedy stadium in Philadelphia. These musical events was transmitted to more than 100 countries around the world and over 1,5 billion people tuned in to watch. Funds were raised to help fight the famine of Ethiopia. The goal was originally to raise £1 million, however the amount actually raised was £150 million.