Chinese scientists have explored the world’s biggest canyon.They said it’s twice as big as America’s Grand Canyon.
The challenge: it lies beneath more than two kilometers of ice in Antarctica.
ICS reports for CCTV.
More than 100 researchers aboard Xue Long arrived in Shanghai receiving a warm welcome from their families and local officials. They returned after a 158-day trip to Antarctica that began in November. They completed 45 scientific research projects in the polar region, including the discovery of a super canyon underneath the ice.