unroll

"We have to work out which layer is different from the next layer so we can unroll that digitally," said Dr Mancuso.

The intertwining plots unroll in a mishmash of styles.

The action unrolls mostly in and around New York’s Plaza Hotel; in Washington, D.C., where they performed their first American concert; and on trains traveling back and forth.

Some people even unroll tin cans into strips to form parts of their walls.

The test will unroll over the next 10 weeks.