His sad, slight Christ on the fourth plinth in Trafalgar Square was dwarfed by the neighbouring bronze generals. He has designed a giant white horse to tower over a post-industrial landscape in Kent (it will be built whenever the economy starts to boom again). Most of Mark Wallinger's work, which won him the Turner prize and has made him one of the best-known artists of his generation, has dealt with history's multi-layered ironies.

Mark Wallinger explains his Sinema Amnesia project .uk