Residents of Old Dhaka celebrated Shakrain festival with fireworks and lasers in the evening on the final day of Poush, the first month of winter on the Bangla calendar, on Thursday, Jan 14, 2021. Photo: Mostafigur Rahman Residents of Old Dhaka celebrated Shakrain festival with fireworks and lasers in the evening on the final day of Poush, the first month of winter on the Bangla calendar, on Thursday, Jan 14, 2021. Photo: Mostafigur Rahman