::: {.cell hash='08_Maps_cache/revealjs/symdiff_2054be69ff2f25eb47f7cb32b4bbfa34'}

```{.r .cell-code}
ggplot() +
  geom_sf(data=x, 
          color='gray', 
          fill=NA) +
  geom_sf(
    data = st_sym_difference(ux, uy),
    alpha = 0.7) +
  theme_void()
```
:::