Nepalese students visit "Ode to Hope: Painting and Calligraphy Exhibition of Teachers and Students in China and Nepal" in Kathmandu, Nepal, Feb. 21, 2019. The one-day exhibition was held on Thursday, displaying more than 80 pieces of works. (Xinhua/Sunil Sharma)

People visit "Ode to Hope: Painting and Calligraphy Exhibition of Teachers and Students in China and Nepal" in Kathmandu, Nepal, Feb. 21, 2019. The one-day exhibition was held on Thursday, displaying more than 80 pieces of works. (Xinhua/Sunil Sharma)

People visit "Ode to Hope: Painting and Calligraphy Exhibition of Teachers and Students in China and Nepal" in Kathmandu, Nepal, Feb. 21, 2019. The one-day exhibition was held on Thursday, displaying more than 80 pieces of works. (Xinhua/Sunil Sharma)

Nepalese students visit "Ode to Hope: Painting and Calligraphy Exhibition of Teachers and Students in China and Nepal" in Kathmandu, Nepal, Feb. 21, 2019. The one-day exhibition was held on Thursday, displaying more than 80 pieces of works. (Xinhua/Sunil Sharma)