David and Grace talk about flooding, environmental effects and urban design.Wikipedia: La Niña (https://en.wikipedia.org/wiki/La_Ni%C3%B1a)David's tweet (https://twitter.com/g33k5p34k/status/1345318794583920645)Video shows car driving in an extremely flooded Lorong Halus (https://mothership.sg/2021/01/lorong-halus-flooded/)Tweet about extreme weather in Singapore (https://twitter.com/winstontlchow/status/1345374250660630529)You shouldn't be alarmed by the 'flooding' at Bishan-Ang Mo Kio Park on Jan. 1, 2021 (https://mothership.sg/2021/01/bishan-ang-mo-kio-park-flooded/)Episode 570: The Fine Print (https://www.npr.org/transcripts/349650496)Urban Redevelopment Authority (https://www.ura.gov.sg/Corporate/Planning/Master-Plan)Deluge a 'once in 50 years' event (https://www.asiaone.com/News/AsiaOne%2BNews/Singapore/Story/A1Story20091123-181624.html)Buangkok MRT station (https://en.wikipedia.org/wiki/Buangkok_MRT_station)Singapore and Malaysia terminate high-speed rail project (https://asia.nikkei.com/Politics/International-relations/Singapore-and-Malaysia-terminate-high-speed-rail-project)How To Stop An Asteroid : Planet Money (https://www.npr.org/2020/12/23/949881982/how-to-stop-an-asteroid)Freiburg, Germany: is this the greenest city in the world? (https://www.theguardian.com/environment/2008/mar/23/freiburg.germany.greenest.city)Fortifications of Vauban UNESCO World Heritage Sites (https://en.wikipedia.org/wiki/Fortifications_of_Vauban_UNESCO_World_Heritage_Sites#Ville_neuve,_Neuf-Brisach)Desire paths: the illicit trails that defy the urban planners (https://www.theguardian.com/cities/2018/oct/05/desire-paths-the-illicit-trails-that-defy-the-urban-planners)