English Heritage is in charge of the upkeep of 39 London statues. They were built in the nineteenth and twentieth centuries and represent the values of the eras in which they were built and exposed. Many of these statues were cast in bronze but some are made from stone. The responsibility for building new statues is now shared between English Heritage and the City of London Corporation. In addition, neither body has authority over figures that predate their creation or exist outside London's boundaries. In 2017, there are plans to remove some of the existing statues from London's public spaces. The reasons given for this plan include damage caused by weather erosion and vandalism. However, many citizens oppose the removal of these monuments because they view them as part of London's history and identity. After much debate, a decision on who will take care of the statues when English Heritage and the City of London Corporation split up has not yet been made.