Task: Translation
Input (Japanese): 関係機関は、ドレスデンの一部、問題とされる鳥の発見場所から約1.9マイル(3km)四方の地区を立ち入り禁止にし、念のため6.2マイル(10km)四方を観察区域とした。
Output (English): Officials have blocked off an area of Dresden approximately 1.9 miles (3km) from the site where the swan was found and have posted observation areas at approximately 6.2 miles (10km) outside the area as a precaution.