Schoolboy performs impromptu song to lift spirits of typhoon evacuees

Hikers perform impromptu surgery to remove leech

Coyote dancers put on impromptu show in police station

Boys have break dancing battle in shopping mall in China

Pupils have impromptu rendition of We Will Rock You in PE class

Five-month-old baby doing impromptu planks stuns her parents

Passenger has impromptu dance performance at bus stop in China

Croaking frog sounds like its singing an impromptu performance to passing hikers