Hiroshima is one of Japan's top destinations, and when you're hungry, you have to try okonomiyaki. Hiroshima has it's own original style, and it's not so simple to make. John travels to Okonomimura, a building full of Okonomiyaki shops, for lunch. There are many different toppings you can put on okonomiyaki. In many ways, it's like a pizza! In other ways, it's like a sandwich.