Overcrowding - can be cause by:
Humans - can cause overcrowding and blockage

Way Blockage - due to high population and narrow pathways way blockage is possible

Vehicle Blockage - cars in the road near buildings can cause way blockage
Narrow Pathways- can cause overcrowding in buildings and also in stairs

Potential critical damage to buildings- cracks and potential threats to falling debris
Wire Short Circuits - can cause widespread fire due to exposed electric components
Glass Debris - Glass pane can cause potential damage to humans, can creates open wounds
Door Shortage - door shortage can also cause overcrowding in rooms when calamities happen
Barriers - barriers in windows can be removed for more possible exit passage ways

Dust Expansion - can be cause by falling debris of the buildings
Health Issues - dust expansion can also cause healthy problems by letting it in your body, can cause asthmatic attacks, heart and breathing etc.

Shallow Drainage System - drainage systems can be a use of diminishing water flows, in contrary, we noticed that the drainage system in our roads are blocked by rubbish
No near open areas - due to constructions and building expansion of the university's campus , all the open areas have been closed especially dubai. Open areas can be a use of evacuation for calamities.