Unable to answer "Do you need to pay to enter here?" for https://osm.org/way/374062129 via StreetComplete_ee 56.0:

this doesn't exist. there is a square with a ticket booth to enter Yeongmori at the southern end, and a "geoinfo" booth at the northern end

Attached photo(s):
https://westnordost.de/p/192335.jpg