Sobers hit six sixes in one over; the first time this was achieved in a game of first-class cricket. The final ball landed on the ground past the Cricketers' pub just outside the ground. It is also the home of the tallest floodlight stand in Europe. Swansea's rugby league side plays from Swansea in the small town of Ystalyfera. They are known as the Swansea Valley Miners but were formed as the Swansea Bulls in 2002. The Swansea Bowls Stadium opened in early 2008. The stadium hosted the World Indoor Singles and Mixed Pairs Championship in April 2008 and the Gravelles Welsh International Open Bowls Championships in 2009. Plans Swansea City Centre is undergoing a £1 billion transformation scheme. A large area of the city is earmarked for redevelopment. A new city-centre retail precinct is planned involving demolition of the dilapidated St. David's Shopping Centre which has three or four traders, about 13% of the retail space in the centre and the Quadrant Shopping Centre. Including relocation of the Tesco Superstore near to the city's Sainsbury's store in Parc Tawe, the new retail precinct will be almost four times the size of the Quadrant Centre. The city centre is also being brightened up with street art and new walkways, along with the first phase of the David Evans – Castle Street development. New green spaces will be provided in conjunction with the proposed Quadrant Square and Grand Theatre Square. Redevelopment of the Oxford Street car park and Lower Oxford Street arcades are also planned. At the sea front, The Tower, Meridian Quay is now Wales's tallest building at a height of with a restaurant on the top (29th) floor. It was under construction adjacent Swansea Marina until 2010. Economy Swansea originally developed as centre for metals and mining, especially the copper industry, from the beginning of the 18th century. The industry reached its apogee in the 1880s, when 60% of the copper ores imported to Britain were smelted in the Lower Swansea valley. However, by the end of the Second World War these heavy industries were in decline, and over the post-war decades Swansea shared in the general trend towards a post-industrial, service sector economy. Of the 105,900 people estimated to work within the City and County of Swansea, over 90% are employed in the service sectors, with relatively high shares (compared to the Welsh and UK averages) in public