Episode 11: The Tripitaka Koreana, 50 Million Characters of High Tech. 750 years ago, Korean monks transcribed what is considered the world's most accurate and complete set Buddhist scriptures onto wooden printing blocks - 50 million charactes on 80,000 blocks. The result is known as the Tripitaka Koreana. The blocks have survived centuries wholly intact. Let us explore what is considered to be the greatest achievement of woodblock printing and one of the wonders of the world. Episode 12: The Original Gyeongbok Palace: A Virtual Restoration. 600 years ago, the kingdom of Koryo fell, and the kingdom of Joseon was founded. The capital of the new kingdom was Hanyang (Seoul), and Gyeongbok Palace was built as the royal residence and administrative center for the country. Gyeongbok Palace is now in the process of being restored to its former glory.