What are the best Tamil songs based on nature?

Moongil Kaadukale - Samurai

Sorgame Endraalum - Ooru Vittu Ore Vanthu

Poo pookkum osai - minsara kanavu

senga choolai kaara - Vaagai sooda vaa

Amaidhiyana nadhiyinile odam - Aandavan Kattalai

Povoma Oorgolam - Chinna Thambi