06 DECEMBER 2018 - SAMUT PRAKAN, THAILAND: Women ride the escalator up to the platform of the Kheha station, the last station on the BTS Skytrain east extension. The 12.6 kilometer (7.8 miles) east extension of the Sukhumvit Line of the Bangkok BTS Skytrain goes into Samut Prakan, a town east of Bangkok. The system is now 51 kilometers long (32 miles), including the 12.6 kilometer extension that opened December 06. About 900,000 people per day use the BTS. PHOTO BY JACK KURTZ