What is the fine-grained topic of the following text: The site has been secured at the entrance to the Waterfront (Ferris Wheel site) and we are going to be holding a venue opening Tournament on the 11 September 2011, the day the Springboks start their defense of the Rugby World Cup. Only return the topic.
Venue Opening Tournament at the Waterfront (Ferris Wheel site) for the Rugby World Cup Defense Start by Springboks