“ The Chinese, when attacking a castle or fort, flew kites over the city wall and used the length of string it took to get it there as a measurement to know how far they had to dig a tunnel to get under the wall.”
“ A casual remark by one of the party about something met on a previous adventure leads to a summons to and grilling by the Mages' Guild (or equivalent), probably resulting in an expedition back to that area to recover the things for study by the Guild. The party's presence will be 'requested' for this expedition.”
“ In the Temple Square of The City, where the nine Greater Gods have their houses of worship, a sudden flash of light blinds (perhaps permanently) all those who are nearby. When the light has faded, a tiny, naked baby is lying in the doorway of each Temple. The Gods, it seems, have come into the world - but why?”