The entrance is marked by two huge torii gates, their pillars made from 1,700-year-old cypress trees.
The torii gates' pillars next to the entrance were made using the wood of oak trees. 
mnli hypothesis: The torii gates' pillars next to the entrance were made using the wood of oak trees.  premise: The entrance is marked by two huge torii gates, their pillars made from 1,700-year-old cypress trees.