Concepts: lead, staircase, tree
A: there is a hidden staircase inside this tree that leads to the underground dwelling of a troll .
Concepts: city, earth, live, mile
A: filming location is the most densely populated city on earth with residents living in square miles .
Concepts: arch, bridge, scene
A: brick arched bridge of the snow scene
Concepts: country, flag, fly, wind
A:
a flag currently flown to represent country is whipped by the wind on a flagpole