Not a conventional tree but a decorated garden frame.
The branches bear labels of the numbers of groups in the countries and and counties of the UK With those of our county, Wiltshire, being named individually.
The two tableaux show a conference on the upper level and meeting in each other’s houses at the lower level.
The Telephone Treasure Trail is represented by a mobile phone to the rear of this lower tableau.
The light bulb at the top represents bright ideas with the labels hanging from its pullcord listing features of NWR