This Week In Art

• Rare fragments of a 14th century stained glass window removed from Heckington’s St Andrews Church in Lincolnshire in 1946 are to be returned.

  

• The floor plan for 1 Facebook Way, Mark Zuckerberg’s new engineering HQ, was revealed. The 430,000 sq. ft (40,000 sq. m) space features a real-life Facebook wall and a rollerblade fun park and is expected to become the largest open plan space in the world.

  

• Six paintings by French impressionist Claude Monet recovered from private collectors could fetch up to $110m (£73m) during NYC’s spring auction collection.

  

• Two sketches by Cezanne have been found during conservation work on two of his watercolours. The works will be displayed at The Barnes Foundation, Philadelphia until 18th May.

  

• Amanda Levete, the British architect behind the Selfridges building in Birmingham, has been chosen to design the second MPavillion in Melbourne. The inner-city forest canopy will host cultural events between October and February.

  

• A giant replica cave containing reproductions of prehistoric drawings has been inaugurated at Vallon-Pont d’Arc in France. The original drawings of bears, panthers, rhinos, and others in the Ardeche region are believed to be around 32,000 years old.

  

• Australian activist and war artist George Gittoes has been awarded the 2015 Sydney peace prize “for his courage to witness and confront violence in the war zones of the world”.