We walked Terminal 2 at Chhatrapati Shivaji Maharaj International Airport as a long indoor museum. One of us stood in a white polo and dark trousers, black rolling suitcase in hand, before a terracotta wall of layered craft: a measured outline of a standing woman, a rider on a rearing white horse, a peacock, gold shrine fronts, and Krishna with a flute. Around the bend came a green-faced swordsman, a figure on a whit…