The Golden Temple, located in the city of Amritsar in Punjab, is the most famous temple of the Sikhs. The temple was built in the 16th century. However, the famous dome of gold after which it is named was added only 250 years later in 1802. The Golden Temple is built on a 67 square feet marble structure in the middle of a pool. Even though the temple is a sacred pilgrim spot, it does not contain any idol (the Sikh religion does not believe in worshipping idols) but it does have a central seat of honour - can you guess what that houses? The Guru Granth Sahib, the scared book of the Sikhs, which has the teachings and devotional hymns of the Sikh religion. The Sikhs have a custom of organizing a free lunch service for the poor. This service is called the langar and the Golden temple has one of the biggest langars. The langar at the Golden Temple serves around 20,000 people every day. On festive occasions like Guru Nanak Jayanti, the number of people who attend the Guru ka langar can go up to 100,000! There are two storeys in the Golden temple. The second storey is the one covered with gold. Maharaja Ranjit Singh, one of the greatest Sikh rulers (see accompanying picture) ordered 400 kg of real gold leaf for the purpose. The same quantity purchased today, would cost a whopping Rs. 17,60,00,000!