Examine the door; place the DOOR HANDLE in the slot (E).
Select the handle (F).
Examine the hut to activate a HOP (G).
Play the HOP (H).
You will receive the WIRE.
Examine the rubble; place the GUNPOWDER BARREL on it (I).
Place the WIRE with the gunpowder (J).
Place the DETONATOR with the wire (K).
Select the detonator (L).
Walk forward to the Vista.