The 30th Olympiad starts off with an opening ceremony that promises to be spectacular . Few Londoners will forget that the Games come just a year after the capital was rocked by outbreaks of rioting and looting . Forecasters say the weather should improve after a rain - soaked summer so far . Organizers say these Summer Olympics are the most sustainable ever . Security issues have hampered preparations but they say safety should not be neglected .
The 30th Olympiad starts off with an opening ceremony that promises to be spectacular . Forecasters say the weather should improve after a rain - soaked summer so far . Organizers say these Summer Olympics are the most sustainable ever . Security issues have hampered preparations but they say safety should not be neglected .