Port workers are seen helping prepare the Polarcus Naila seismic surveillance ship for its next mission in Singapore

Port workers are seen helping prepare the Polarcus Naila seismic surveillance ship for its next mission in Singapore

Port workers are seen helping prepare the Polarcus Naila seismic surveillance ship for its next mission in Singapore, December 2, 2017. REUTERS/Henning Gloystein

December 26, 2017 2:57 PM (UTC+8)