Trees are bringing me joy in lockdown – and here’s how I’m learning to identify them | Adrian Chiles

UK’s cities are surprisingly green, with London and Birmingham having more trees per person than Paris or Berlin. But trying to learn the names of each species has left me puzzledI left London this week for the first time in more than a month to make a short film for the BBC. For such purposes, believe it or not, I am an essential worker. It felt weird, and not just because of the lack of traffic on the motorways. You get used to what lockdown looks like in your own locale; seeing it elsew