Freedom of expression at centre of lawsuit claiming that professor’s advice was “harassment”

Assyrian reliefs among the 500 loans earmarked for long stay in Abu Dhabi

The 18th-century work is an early example of racial profiling

The country’s monasteries and mosques have no place in the Caliphate

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

One of the main art databases, the Art Loss Register, has issued certificates for works looted or subject to recovery claims

Funds for Great Pompeii Project could be withdrawn as lack of staff and red tape stifle efforts to save site

Destruction of artefacts in Syria and Iraq is a pressing issue but UK remains only major power not to ratify international law

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

The painting of Venus and Cupid hung in Hitler’s breakfast room

Opening marks the completion of a seven-year restoration project

Exhibition will be Chicago artist's first public project in the UK