As a renowned physician, von Siebold had unprecedented access to a range of contacts in Japan, and used them to indulge his passion for plants – he had people collecting specimens from across the country. But after a rare visit to the mainland and an unfortunate incident involving a prohibited map – which local officials found in his luggage – eventually he was asked to leave.
อ่านต่อได้ที่ โรงเรียนไทยรัฐวิทยา๑๐๔
สาระน่ารู้ เซโรโทนิน
