Looking for a vacation that leaves you relaxed and uplifted? Find soul-soothing inspiration in this updated collection of yoga retreats. Angelika Taschen showcases the world’s most exquisite restorative spots, from the Parmarth Niketan Ashram in Rishikesh, the place of origin of yoga, to Santani, a 48-acre former tea plantation in Sri Lanka where bliss meets the highest sustainable and eco-standards