I don't think you would put an Acer inside an exhibit, particularly if you were short of money, so I'll settle for Virginia creeper. It can't be the other one.
I have to say DesertRhino150 that it being artificial was my first thought but didn't think they would use artificial plants with monkeys
@Alan take your point with the acers and cost. hemp though is grown in the UK we had afield of it just outside our village about 2 years ago. It has no medicinal qualities that I'm aware of i think it's used for seed and rope or it was. It is sometimes used in the seed mixes used for game cover too.
