After Palmyra, the message to Isis: what you destroy, we will rebuild

The recapture of the Syrian desert city of Palmyra must lift the spirits of all who knew its former glory. But after the dust dies down, a new army arrives: that of archaeologists brandishing questions. How much of what has gone should be restored? By what means, and by whom? New 3D printing technology in particular opens a new front in the old argument among conservationists: between restoration and “conserve as found”.