Read the following premise and answer if the hypothesis is true.
The Arboretum Curie, also known as the Arboretum du Col des Trois Soeurs, is a small arboretum located at 1470 metres altitude in the Col des Trois Soeurs near La Panouse, Lozère, Languedoc-Roussillon, France. It was created circa 1975 to study conifers suitable for reforestation, and according to Arbez et al., now contains 77 taxa (primarily conifers).
Hypothesis: The Arboretum Curie is more than 20 years old. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
Yes
Yes.