Nepali Prime Minister KP Sharma Oli (4th L, front) visits the reconstruction site of the Hanumandhoka Durbar Square after a memorial service to mark the fourth anniversary of 2015 earthquake in Kathmandu, Nepal, April 25, 2019. April 25 this year marks the fourth anniversary of a deadly earthquake in the country that killed around 9,000 people and made over a half million people homeless. (Xinhua/Sunil Sharma)