"KTC" or Krungthai Card Public Company Limited, by "KTC PR Press Club," organised a special trip: "The Secret of Phra Nakhon" activity, with an episode on the grey area of Phra Nakhon. The event was held to promote Thai art and culture and to stimulate community-based tourism in Bangkok. On this occasion, the event was presented under the Dark Tourism concept, which told the tragic story of social status and the emergence of historical landmarks in the old districts of Yaowarat and Phlapphla Chai, including Bamphen Chin Phrot Temple, Kanma Tuyaram Temple, Nai Sow Restaurant, Phlap Phla Chai Temple, Khanikaphon Temple, Yi Kor Hong Shrine, and ended at Recordoffee, a contemporary store. The event was recently presided over by Ms. Duangkamol Intrapram, Vice President - Treasury & Sustainability, "KTC" or Krungthai Card Public Company Limited, along with the press, with Mr. Thanat Bhumarush, Tourism Division Officer of Culture, Sport and Tourism Department, the Bangkok Metropolitan Administration, who served as the lecturer.