Mansfield which competes as Nova Centurion. The Sherwood Swimming Baths adjacent to the former Sherwood Colliery was refurbished and opened in January 2010 as the "Rebecca Adlington Swimming Centre". The 25-metre pool was widened at the expense of losing the tiered public seating and has a new, small, endless stroke-improvement training pool with variable-resistance water flow. The complex uses a ground-source heat pump backed by a biomass boiler burning wood pellets prepared from waste by a local wood yard, to reduce its carbon footprint. At the Beijing 2008 Olympic Games, a Mansfield contestant, Rebecca Adlington, won two gold medals, for 400
Concerns and controversies at the 2008 Summer Olympics that it would begin retesting samples for CERA. In April 2017, the Olympics has had the most (49 of 50) Olympic medals stripped for doping violations. Russia is the leading country with 14 medals stripped off. The International Labour Organization (ILO) estimated that China had 150 million migrant workers out of a total national working population of 764 million people at the end of 2006. More than 40 million of these migrant workers were employed in construction, an industry in which some 90 percent of the workforce was composed of migrants. 2008 Summer Olympics migrant workers routinely endured dangerous work