A swarm of dragonflies flying around at the time of dusk in Bakgul area of Sylhet on 30 August. Photo: Anis MahmudThe sun is about to set at Char Charir Haor in Sylhet on 30 August. Photo: Anis MahmudA squirrel search for food at Khejurbagan of Khagrachhari on 31 August. Photo: Nirob Chowdhury.A roller bird sitting in a Korai tree in Teenmile area of Khagrachhari on 31 August. Photo: Nirob Chowdhury.The lush green fields at Mokimpur area of Raipur upazila in Sirajganj on 30 August. Photo: Sajedul AlamWhite cloud in the blue sky and the catkin flowers mark the arrival of autumn at Aladhanpara of Khagrachhari on 31 August. Photo: Nirob Chowdhury.Two fishermen are busy catching fish in Surma River at Kumargaon area of Sylhet on 31 August. Photo: Anis Mahmud