'Irreplaceable' is the best word to define the experience at the COP in Sumba, which took place from July 13th to August 3rd, 2023. It was not an easy endeavor to collaborate Petra Christian University students with others from different universities in Sumba and internationally to work together to enhance the villages in Sumba. Different cultures and traits have become one of the hurdles to face by continuing to hold hands together. Learn a glimpse at the adventure, COP participants who finally learned lessons and created memories throughout their time in Sumba.