DESIGNING AN EXTENDED REALITY MOBILE GUIDE APPLICATION TO COMMUNICATE AND INTERPRET SERIAL WORLD HERITAGE SITES: A CASE STUDY OF KOREA’S SEOWON UNESCO WORLD HERITAGE SITE - Shim, H.; Oh, K. T.; Jun, J. Y.; Choi, Y. W.; Kim, E.; Ahn, J.; Shi, C. K. (Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., 2023)