In Kathmandu , Nepal , it has been organised since April 2013 . In general cyclists gather at Kathmandu Durbar Square , Basantapur and ride round the city before grouping together again . Sometimes there are people organizing awareness programmes in this gathering . People who really love cycling and feel awareness about own health , environment they doing Critical Mass Gathering even after the heavy Nepal Earthquake 2015 with slogan " Quake or Shake , Sunny or Rainy , we have to flow with time for next smile ... " Critical Mass rides have generated controversy and public opposition . The group has often protested in high-profile events , ranging from major political events to the Olympics . Some critics claim that Critical Mass is a deliberate attempt to obstruct traffic and disrupt normal city functions , asserting that individuals taking part refuse to obey traffic laws
Nepal Earthquake 2015
April 2015 Nepal earthquake
Critical Mass (cycling)