By Express News ServiceBENGALURU: Visitors to Lalbagh Botanical Garden on Wednesday evening were thrilled to see two waterfalls. The officials from Horticulture Department have created two waterfalls in the existing three-acre lake. The mechanism is to recycle stagnant water in the lake by using artificial technology, which looks like a waterfall. Visitors can now enjoy the falls every hour, for a duration of 20 minutes. Speaking to TNIE, Deputy Director of Lalbagh M R Chandrashekhar, said the large waterfall was first created to recycle and treat stagnant water in the lake..