<Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (April 2009) (Learn how and when to remove this template message) </Td> </Tr> <P> A terrace or terracing in sporting terms refers to the traditional standing area of a sports stadium, particularly in the United Kingdom and Republic of Ireland . A terrace is a series of concrete steps which are erected for spectators to stand on . </P> <P> Its significance carries particular importance in football where terraces were located in the areas behind the two goals as a cheaper alternative to sitting in the stands, which were traditionally located at the sides of the field . Naturally standing in the terraces was much cheaper than a seat, with the result that over the decades they became the most popular spectators' area for younger working class men and teenage boys to watch the game . </P> <P> Due to safety concerns related to terraces, they have fallen out of favour in many places . Terraces were banned from major football grounds in England in the early 1990s, as a result of the Hillsborough disaster, and are currently not used during major tournaments, and for a long time were generally not included in new stadium designs . There is currently a growing demand for a reintroduction of terracing, based on the modern stadium designs in Germany and other European countries, dubbed "safe standing" areas . </P>

When did fences go up at football grounds