construction began on the stratosphere hotel on february 1992.
when did construction begin on the stratosphere hotel?
february 1992
Na
Na
bullet::::- 29 november 1991: pangyo to toegyewon line opens to traffic.





























bullet::::- december 1991: construction begin of sanbon to pangyo.





























bullet::::- may 1992: construction begin of seoun to jangsu.





























bullet::::- december 1992: construction begin of ilsan to gimpo.





























bullet::::- june 1995: construction begin of gimpo to seoun, jangsu to sanbon.





























bullet::::- 28 december 1995: pangyo to sanbon line opens to traffic.





























bullet::::- 3 november 1997: gimpo to jayuro line opens to traffic.





























bullet::::- 24 july 1998: seoun to jangsu line opens to traffic.





























bullet::::- 26 november 1999: jangsu to sanbon, seoun to gimpo line opens to traffic.
seoul ring expressway