The food that is usually eaten for lunch is varied. In some places, people eat the same meal as at dinner - hot food, sometimes with more than one of a kind. elsewhere, lunch is the main meal of the day, at dinner people eat cold food.
Many people eat lunch at school and workplace, which can last from a quarter of an hour to an hour. 
many restaurants, especially in industrial and office areas, have special offers. There are also a number of certain lunch restaurants that do not open in the evenings. 