item-0 at level 0: unspecified: group _root_
  item-1 at level 1: list: group group
    item-2 at level 2: list_item: Asia China Japan Thailand
    item-3 at level 2: list: group group
      item-4 at level 3: list_item: China
      item-5 at level 3: list_item: Japan
      item-6 at level 3: list_item: Thailand
    item-7 at level 2: list_item: Europe UK Germany Switzerland Bern Aargau Italy Piedmont Liguria
    item-8 at level 2: list: group group
      item-9 at level 3: list_item: UK
      item-10 at level 3: list_item: Germany
      item-11 at level 3: list_item: Switzerland Bern Aargau
      item-12 at level 3: list: group group
        item-13 at level 4: list_item: Bern Aargau
        item-14 at level 4: list: group group
          item-15 at level 5: list_item: Bern
          item-16 at level 5: list_item: Aargau
      item-17 at level 3: list_item: Italy Piedmont Liguria
      item-18 at level 3: list: group group
        item-19 at level 4: list_item: Piedmont Liguria
        item-20 at level 4: list: group group
          item-21 at level 5: list_item: Piedmont
          item-22 at level 5: list_item: Liguria
    item-23 at level 2: list_item: Africa