7.6 Reprojecting vector geometries:
Transforming coordinate points (vertices) and usually setting CRS
london2 = st_transform(london_geo, "EPSG:27700")crs_lnd = st_crs(london_geo) # see with london_proj
class(crs_lnd) # we already see that## [1] "crs"
names(crs_lnd) # same## [1] "input" "wkt"
crs_lnd$Name## [1] "WGS 84"
crs_lnd$proj4string## [1] "+proj=longlat +datum=WGS84 +no_defs"
crs_lnd$epsg## [1] 4326