undercityan area deep below a city, often characterized by poverty and harsh conditions
Definitions:
a usually poor and densely populated urban area situated below more affluent parts of a city
sluma densely populated usually urban area marked by poverty
Definitions:
a squalid and overcrowded urban street or district inhabited by very poor people
recycleconvert waste into reusable material
Definitions:
to process something so that it can be used again
resilienceability to recover from difficulties
Definitions:
the capacity to recover quickly from difficulties; toughness.
hopea feeling of expectation and desire for a certain thing to happen
Definitions:
a feeling of expectation and a strong desire for a certain thing to happen