Sandwiches are an important part of America's lunchtime, and the ingredients pushed between two cuts of bread can be as differed as one's imagination. But sandwiches aren't exclusive to the U.S. They continue across the globe. Here are notable sandwiches from around the world.

Cemita Poblana -- Mexico

This sandwich, which hails from the city of Puebla, is made in many different ways, one of which incorporates veal cutlets, avocados, queso blanco or mozzarella and chipotle chiles. Eggs, breadcrumbs and yellow onions are likewise a well-known addition.

Chivito -- Uruguay

The chivito is an iconic creation out of Uruguay and its ingredients truly pack a punch. People here incorporate churrasco (grilled or sliced beef), lettuce, tomato, ham, bacon, melted mozzarella and a fried egg and also extra garnishes. A popular condiment is salsa golf, a ketchup-and-mayonnaise blend that is generally adored in Uruguay.

Croque Monsieur -- France

This well-known French sandwich dates from the mid-1900s, when it was appreciated in bistros and bars around urban communities such as Paris as a quick snack. Croque originates from the verb croquer, to crunch and monsieur obviously signifies mister. It's such a popular staple of the urban French menu that it was even specified in Marcel Proust's In Search of Lost Time. It is basically a posh grilled ham and cheese that includes Emmental or Gruyère. When it is presented with a poached or fricasseed egg on top, it turns into a croque madame.

Donkey Burger -- China

Donkeys are a generally popular food source in China, and the animals are typically raised both for their milk and meat products. The donkey burger is regularly a hot sandwich that is intensely spiced and served in a flatbread pocket. Quality donkey meat is moderately cooked around 8 and20 hours so the meat holds its color and tenderness. The donkey meat is likewise a rich source of protein, iron and calcium.