China conducts a nuclear test for <a href="https://en.wikipedia.org/wiki/DF-31" id="mwAWI" rel="mw:WikiLink" title="DF-31">DF-31</a> warhead at Area C (Beishan), <a href="https://en.wikipedia.org/wiki/Lop_Nur" id="mwAWM" rel="mw:WikiLink" title="Lop Nur">Lop Nur</a>, its prominence being due to the <a href="https://en.wikipedia.org/wiki/Cox_Report" id="mwAWQ" rel="mw:WikiLink" title="Cox Report">Cox Report</a>.