Hello how may I help you? can you help me with some records? Sure thing What would you like to know? Where is the largest indoor waterfall? Let me check that for you... okay The largest indoor waterfall is located in the Singapore Jewel Changi Airport extension wow, cool. How about the largest waterfall in the world, not indoors? one moment Victoria Falls in Zambia is the largest waterfall in the world okay, thank you for your help No problem