This resto-bar is open 24 hours a day. From Elephant Guide - Billed as the "Entertainment Capital for Tourists" Allez Boo has been a favourite hang out for travellers and tourists since it first opened in October 1997. With its tropical, bamboo and thatch decor, open and airy atmosphere and friendly welcome, Allez Boo is certainly one of the busiest and most popular bars & restaurants in the Pham Ngu Lao / De Tham area, patronised by tourists and expatriates alike.