Complex sentence: The monumernt is situated on Lan Xang Boulevard (sometimes known in Lao as "Thanon Luang"), which means Grand Avenue or Street, which has been called the "Champs Elysées of the East".
Split into simpler sentences: The monumernt is situated on Lan Xang Boulevard (sometimes known in Lao as "Thanon Luang"), which means Grand Avenue or Street. It has sometimes been called the "Champs Elysées of the East".