Everest became the first 8,000-meter peak to be climbed in winter when Polish climbers Leszek Cichy and Krzysztof Wielicki reached the summit on February 17, 1980. But before that success there were still several stories that preceded it. Although it contains failures, it does not mean it is not worth knowing.
Tag: kertas daur ulang
SIM SALABIM, TAHI GAJAH BISA JADI KERTAS
Kualitas kotoran gajah yang bagus adalah yang masih segar, sedangkan yang sudah didiamkan beberapa hari akan menghasilkan kertas dengan warna berbeda menjadi kecoklatan.