Fifteen people lie on blankets in a 12-squaremeter room, in a big house located in Jakarta's Menteng area. There is no sound. And then a small, almost imperceptible voice is heard, quietly giving an instruction. Several times, the voice is heard, reminding the group to relax and concentrate simultaneously, guiding them through various positions. This is yoga, the ancient Indian discipline that attempts to unite mind, body and spirit, taught u