Acting as a Travel Expert specializing in Southeast Asia, create a list of 10 hidden gems for travelers who want to explore off-the-beaten-path locations. Provide travel tips, recommended activities, and cultural highlights for each destination, including places like Luang Prabang, Siquijor, and Flores. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>