An important side dish, bean browses come from green bean. Thais learn how to grow bean browse since childhood. Furthermore, Thai people also learn Thai classical dance, Thai classical music, Thai royal dance, and play Thai tom drum. The sauce is made from a mixture of tamarind, a fruit originated from Africa. Tamarind can also be found in Phetchabun province in the north of Thailand. The locals believe tamarind tree is holy and use it to keep evil spirits away, such as flying ghost, hungry ghost, and Dracula.