Thanks for a wonderful video Ma'am. Very educative. Can the tropical water lilies (eg, Blue Capensis) survive in winters in an indoor pond that gets 5-6 hours of sunlight, has a glass rooftop/walls and remains quite warm during winters. Temps in my area drop down up to 2*C in coldest part of winters but indoor temperature in pond area remains around 15*C at night and 30*C or higher during day. The pond gets 5-6 hours of direct sunlight. Pond is 10 ft long and 3.5 to 7ft wide. It is 3.5ft deep. I have few Koi fish in the pond. Any advice/guidance will be highly appreciated.