The museum , which gets between 4000 to 5000 visitors a year , contains films , photographs and the artifacts the johnsons brought back from their travels .

这个博物馆，每年接待的游客量在4000到5000人之间，游客们观看奥萨夫妇拍摄的影片、照片，以及奥萨夫妇从旅行中带来了各种物品。