People in Amsterdam prepare for German invasion of Netherlands at start of World War II

Three women standing on sidewalk talking next to empty street in Amsterdam / air raid shelter next to street in Amsterdam / small detachment of Dutch recruits marching down sidewalk / small detachment of Dutch recruits standing in formation in street for inspection / VS exterior of Amsterdam Centraal train station / shot of exterior of Royal Palace in Dam Square in Amsterdam / wire fence along middle of empty street with German village of Strasz on one side and Dutch village of Kerkrade on other side / framework of air raid shelter under construction / two German soldiers on guard duty walking along border fence in street / another shot of border fence in middle of street / two shots of small detachment of Dutch recruits marching along sidewalk in Amsterdam / Note: exact day not known