Control of the region is valuable because more than $5 trillion worth of global trade passes through the South China Sea each year, and China has been accused of ramping up tensions over control in recent years by building artificial islands on reefs, on which it has added airstrips and other military-style installations.
State-run broadcaster CCTV's also dedicated an entire multimedia section on its English website devoted to the issue, including explainer videos, expert interviews and commentaries.
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