<Li> A ten - story World Evangelical Center, an educational institution attached to the church, was opened on 20 January 1977 . </Li> <Li> A television studio, opened on 31 December 1981, was built to broadcast the worship services both nationally and internationally . </Li> <Li> The Full Gospel Educational Research Institute, now the International Theological Institute, was created to promote evangelism and theological training . </Li> <Li> In January 1986, Elim Welfare Town, a facility for the elderly, the young, the homeless, and the unemployed, was set up under the auspices of the church . The latter would be given training and a choice of four occupations . In March of the same year, the church established Hansei University . </Li>

What is the name of the largest christian church in the world