Complex sentence: In 1993 a specimen from Chile was found to be 3622 years old, making it the second oldest fully-verified (by counting growth rings) age for any living tree, after the Great Basin Bristlecone Pine.
Split into simpler sentences: In 1993 a specimen from Chile found to be 3622 years old. This is the second oldest fully verified (by counting growth rings) age for any living tree, after the Great Basin Bristlecone Pine.