Between the pollution and the crowds, it’s hard to get away in New Delhi. But now the Indian capital offers a respite: the city’s first arboretum. Unveiled in February, the 90-acre complex is a horticultural haven with restored Mughal-era monuments and natural water features. The eventual goal is to link up with a neighboring zoo and fort to create a 900-acre sanctum of greenery. —Casey Quackenbush