THE iron-sheeting roof creaks loudly. The windows shake as if they want to break free of the frame that holds them. Glasses sitting on the table tremble spilling their contents. The lapo, or small drinks shop, feels like it is going to collapse. But the people inside seem unconcerned and remain absorbed in conversation.

Its normal. Every five minutes a plane passes overhead, says Sonarta Tumanggor, 50, a lapo owner on Jl. Jamin Ginting in Padang B