Even in Kuala Lumpur as modern an urban sprawl as you could imagine, criss-crossed by expressways and bristling with skyscrapers a construction site abandoned a moment too long to the tropical sun and rain will soon sprout a luxuriant growth of lallang ferns and wild creepers.
Even in areas of urbanization like Kuala Lumpur, the tropical climate can produce natural growth. 
Kuala Lumpur is completely devoid of plant life or nature. 