Central City/Black Hawk Historic District Central City/Black Hawk Historic District The Central City/Black Hawk Historic District is a National Historic Landmark District that encompasses Central City and Black Hawk, Colorado. They are adjacent former gold mining camps in the Front Range of the Rocky Mountains in Gilpin County, Colorado, United States. For a time, the area was known as the Richest Square Mile on Earth. The district was designated a National Historic Landmark on July 4, 1961. On May 5, 1859, John H. Gregory discovered a rich deposit of gold in hard rock, the first such discovery in the Rocky Mountain region. Thousands of miners
City of London Sinfonia City of London Sinfonia City of London Sinfonia (CLS) is an English chamber orchestra based in London. CLS performs regularly across the city of London in venues from East London clubs to traditional Central London concert halls. CLS is Orchestra-in-Residence at the critically acclaimed Opera Holland Park (since 2004) and holds a residency at St Paul's Cathedral. The Orchestra has developed close links with joint venture partners in Mexico and Japan, having toured to Mexico in May 2015 and to Japan in March 2017. It is a registered charity under English law. CLS performs chamber orchestra and ensemble repertoire from