Siam Wetland and Hangang Estuary around Yu islet, December 20, 2021

Dr. Bernhard Seliger, Dr. Choi Hyun-Ah (Birds Korea, Hanns Seidel Foundation Korea), Amelie Schweiger (HSF Korea) After the heavy snow of the weekend, Monday (December 20) was much warmer, but the air was rapidly worsening with fine dust and the … read more