1.   His black skirt suits unfolded to reveal panels of satin.

2.   It turned out to be one of those gatefold covers that unfold to reveal that it is actually just one-third of an even larger photo.

3.   The camper itself unfolds to reveal quarters that include a built-in stove that doubles, when the top is adjusted, as a vanity complete with cosmetics.

4.   The piano unfolds to reveal a writing table, chest of drawers, bed, two cupboards for bed linen and a wash basin with jug and towel rail.

5.   She served us steaming hot packets of neatly folded banana leaf that unfolded to reveal a tantalising aroma of heady spices.