also, the tree he calls a sycamore is actually a norway maple.
this guy got his sycamores mixed up. in the u.k., a sycamore is actually the sycamore maple (Acer pseudoplatanus) whereas in north america, a sycamore is Platanus occidentalis. The tree he called an import is actually native to Europe. you can tell from the opposite branching. This species also occurs in the US around the costal areas of massachusetts running south to new jersey. The sycamore maple is an invasive species in the united states and is illegal to propagate and sell in massachusetts.
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