Experts meet in Bonn as news breaks of further destruction in conflict zones

Ancient sites were targeted by extremist groups

Conservators have got to grips with seminal artist’s use of non-traditional materials

Museums have learned to preserve the unusual materials in Joseph Beuys's works

Dmitry Sukhin wants Colour Row Settlement, designed by Berlin Philharmonic Hall architect Hans Scharoun, to be restored to full glory

Continued fighting in the region further threatens the country’s heritage sites

Suicide bomber among those killed after failed assault outside popular tourist site

Discovery to be revealed in CSI-style show at The Hague’s Mauritshuis

New publication includes cuneiform tablets, cylinder seals, Assyrian reliefs and coins

But heritage groups say the funds fall far short of the real cost of restoration

Damascene reception room is being restored before making its museum debut in Saudi Arabia in 2016

Funds for Great Pompeii Project could be withdrawn as lack of staff and red tape stifle efforts to save site

Prime minister appeals for $2bn after historic squares are reduced to rubble and ancient temples are damaged in deadly disaster

Experts blame local authorities in Vyborg for failing to act as architecture begins to collapse

Opening marks the completion of a seven-year restoration project

Experts say Palestinian heritage is at risk as ministry makes money from buildings seized from refugees

Authorities at the Old Summer Palace in Beijing tried to block the copy from being built

Aby Rosen’s controversial plans to bring the 1958 restaurant “back to its original glory” met with opposition from architects and preservationists

Unesco chief condemns attacks, urges all side to keep heritage out of the conflict

What you can do despite too many cruise ships, rising sea level and with no one in charge

Treatment of emperor’s statue may resolve conflicting accounts of its history

Museum director and former antiquities minister refute Italian archaeologist’s theory

Bacteria removed from Villa of the Mysteries frieze during restoration