• Olympic Games 2020: pros and cons of the contending capitals

    Around 3,000 journalists from around the world are gathered in Buenos Aires as the rest of us wait for the chosen host city of the 2020 Olympic Games to be revealed on Saturday evening. The contenders? Madrid, Tokyo and Istanbul. Three very different capital cities vie for the chance to host the Summer Games where thousands of the world's top athletes will come together to compete in an array of sporting events. While they wait to find out if their destiny is to change over the next seven years, we take a look at the pros and cons of the three candidates