Indian government representatives at various levels have shared satellite imagery with Myanmar counterparts that they said depicted Chinese workers helping to construct what appears to be a listening post on the Coco Islands in the Indian Ocean, said the officials, who asked not to be identified discussing sensitive information. The workers were also seen extending an airstrip, they said.

from Times of India https://timesofindia.indiatimes.com/india/india-confronted-myanmar-about-chinese-spy-post-on-remote-island/articleshow/99320371.cms