31.   A flat oblong bag opens into a roomy pouch.

32.   A pair of enormous wooden doors opens into the covered breezeway, which then leads to the central courtyard.

33.   A metal trapdoor opens into a room containing gray metal boxes that hold radio receiver-transmitters and circuit breakers.

34.   A political divide has opened into a cultural chasm between two old friends.

35.   After several hours, the path opens into a great opalescent bowl encompassed by the craggy mountains of the Flathead Range.

36.   All exhibit floors open into this central rotunda.

37.   After this, the museum show opens into a room bursting with paintings on vinyl tarpaulins and sheets of paper.

38.   But by the next morning, the tree had opened into a beautiful cone shape.

39.   Doors open into chambers, with wall paintings, statues, wooden chariots, urns and more rooms, more doors.

40.   From there, stairs descend to an enclosed, heated and lighted potting shed, which opens into the glass-and-aluminum greenhouse.