Ann: Gulf Investor Presentation, page-9

It could be an oncoming train.

As of 17 April 2017 there is still no site works at Bolok in Kupang at location indicated in the presentation. Where are the furnaces going to be installed?

Refer to:
https://imagehunter.apollomapping.com/
Select area over Bolok with rectangle (second grey box in header) and then go through each satellite photo in box on left. Very good image being WV3 17-04-17 with only 2% cloud cover (depends upon size of rectangle which satellite photos that appear).