LJUBLJANA, Aug. 12, 2020 (Xinhua) -- Tourists look at a sea lion in Ljubljana Zoo in Ljubljana, Slovenia, Aug. 11, 2020. Tourists gradually return to Ljubljana Zoo, which was closed for a while due to the COVID-19 pandemic and reopened in late April.

GAZA, Aug. 12, 2020 (Xinhua) -- A woman visits Palestinian artist Kholoud El-Desoukis exhibition, describing the feelings of women in Gaza Strip, in Gaza City, Aug. 11, 2020.

TOLUCA, Aug. 12, 2020 (Xinhua) -- Photo taken on Aug. 11, 2020 shows the site of a bus crash accident near Ocoyoacac, a suburb of Toluca, Mexico. At least 13 people were killed and 24 were injured on Tuesday after their passenger bus turned over just north of Mexico City, local authorities reported. According to the authorities, the bus was traveling from the Pacific Coast resort of Acapulco, in southern Guerrero state, toward the western state of Jalisco.