Colourful orchids at the Tree Fair at Sher-e-Bangla Nagar in Dhaka. Photo: asif mahmud ove/ bdnews24.comColourful orchids at the Tree Fair at Sher-e-Bangla Nagar in Dhaka. Photo: asif mahmud ove/ bdnews24.comA lotus blooms in a stall at the Tree Fair at Sher-e-Bangla Nagar in Dhaka on Saturday. Photo: asif mahmud ove/ bdnews24.comA lotus blooms in a stall at the Tree Fair at Sher-e-Bangla Nagar in Dhaka on Saturday. Photo: asif mahmud ove/ bdnews24.comVisitors at the Tree Fair at Sher-e-Bangla Nagar in Dhaka. Photo: asif mahmud ove/ bdnews24.comVisitors at the Tree Fair at Sher-e-Bangla Nagar in Dhaka. Photo: asif mahmud ove/ bdnews24.comVisitors at the Tree Fair at Sher-e-Bangla Nagar in Dhaka. Photo: asif mahmud ove/ bdnews24.comVisitors at the Tree Fair at Sher-e-Bangla Nagar in Dhaka. Photo: asif mahmud ove/ bdnews24.comVisitors at the Tree Fair at Sher-e-Bangla Nagar in Dhaka. Photo: asif mahmud ove/ bdnews24.comVisitors at the Tree Fair at Sher-e-Bangla Nagar in Dhaka. Photo: asif mahmud ove/ bdnews24.comVisitors at the Tree Fair at Sher-e-Bangla Nagar in Dhaka. Photo: asif mahmud ove/ bdnews24.comVisitors at the Tree Fair at Sher-e-Bangla Nagar in Dhaka. Photo: asif mahmud ove/ bdnews24.com