Suddenly, heavy clouds gather in the sky. The sun is shrouded. Torrential rain pours across the horizon. Pitter-patter. Patter-pitter. This is the timeless monsoon season in Bangladesh. It is also the prime time for planting saplings. Yesterday (Friday), the visitors strolling through the National Tree Fair in the capital's Agargaon seemed to share the same sentiment—collecting their favorite saplings in such rainy weather.The month-long tree fair began on July 9. Thousands of native and foreign...