Complex sentence: In 1972, as part of a renovation of the Museum of the Chinese Revolution, officials wanted to exhibit Dong's painting again, but they decreed that Lin Boqu, whose white-haired figure was furthest left, must be removed.
Split into simpler sentences: In 1972, as part of a renovation of the Museum of the Chinese Revolution, officials wanted to exhibit Dong's painting again. However, they decreed that Lin Boqu, whose white-haired figure was furthest left, must be removed.