User:The Duke of Waltham/sandbox

For different colours:
 * |mark=Blue pog.svg
 * |mark=Green pog.svg

Labels:
 * Check use of hard spaces in labels for better display.
 * |position=left
 * |position=right
 * |position=top
 * |position=bottom
 * |label= Pontcysyllte
 * |label=   Stonehenge
 * |label=London|marksize=10