Take a Thames night time cruise and think about Patronuses shimmering throughout the water, defending the city with silvery

https://padlet.com/zcakx19zwudk/bookmarks-f00bob4wxj6uj2q3/wish/Ae2RavoOVpLYQnz4

Take a Thames night cruise and assume Patronuses shimmering throughout the water, defending the city with silvery, shielding magic.