London Memorial and Royal Albert Hall in Kensington. Nelson's Column is a nationally recognised monument in Trafalgar Square, one of the focal points of central London. Older buildings are mainly brick built, most commonly the yellow London stock brick or a warm orange-red variety, often decorated with carvings and white plaster mouldings. In the dense areas, most of the concentration is via medium- and high-rise buildings. London's skyscrapers, such as 30 St Mary Axe, Tower 42, the Broadgate Tower and One Canada Square, are mostly in the two financial districts, the City of London and Canary Wharf. High-rise development is restricted
Baltic Exchange (building) pm, the façade of the Exchange's offices at 24–28 St Mary Axe was partially demolished, and the rest of the building was extensively damaged in a huge Provisional Irish Republican Army (IRA) bomb attack. The one-ton bomb killed three people whilst 91 were wounded. The bombing came a day after the General Election. Architectural conservationists wanted to reconstruct what remained from the bombing, as it was the last remaining exchange floor in the City of London. English Heritage, the government's statutory conservation adviser, and the City of London Corporation insisted that any redevelopment must restore the building's old façade onto