Aham is a Sunday yoga event led by Raj Bala and organized by Green Initiatives. Activity will comprise of a short introduction, meditation, warm-up, yoga and casual discussion. There are 15 yoga mats for early arrivals, otherwise you're asked to bring your own. Runs from 6-7.30pm. Costs 70rmb in advance for first timers 100rmb at the door, 50rmb for repeat yogis. Check their site for more details.