Lightning protection tower   WO-12 (I wind zone)

  Lightning protection tower   WO-12 (II wind zone)

  Lightning protection tower   WO-13 (I wind zone)

  Lightning protection tower   WO-13 (II wind zone)

  Lightning protection tower   WO-17 (I wind zone)

  Lightning protection tower   WO-17 (II wind zone)

  Lightning protection tower   WO-20 (II wind zone)

  Lightning protection tower   WO-22 (I wind zone)

  Lightning protection tower   WO-22 (II wind zone)

  Lightning protection tower   WO-25 (I wind zone)