Complex sentence: The show is approximately 70 minutes in duration and performed inside a purpose-built theater called'Palace of the Elephants', a reproduction of Sukhothai era stone elephant palace.
Split into simpler sentences: The show is approximately 70 minutes in duration and performed inside a purpose-built theater called'Palace of the Elephants'. The'Palace of the Elephants' theater is a reproduction of Sukhothai era stone elephant palace.