Photo taken on Jan. 2, 2019 shows the Smithsonian Institution Building in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows the Smithsonian Institution Building in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows a statue near the gate of the National Zoo in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows a statue in the closed National Zoo in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows the Smithsonian Institution Building in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows a statue near the gate of the National Zoo in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Birds perch on a tree in front of the Smithsonian National Museum of Natural History in Washington D.C., the United States, on Jan. 2, 2019. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows the Smithsonian Institution Building in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows a notice of closure at the entrance to the Smithsonian National Museum of Natural History in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows the Smithsonian Institution Building in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows the gate of the National Zoo in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows a notice of closure on the gate of the National Zoo in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows the Smithsonian Institution Building in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows the Smithsonian Institution Building in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
People stand in front of the closed doors of the Smithsonian Institution Building's visitor center in Washington D.C., the United States, on Jan. 2, 2019. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
Photo taken on Jan. 2, 2019 shows the Smithsonian Institution Building in Washington D.C., the United States. The 19 Smithsonian museums and the National Zoo in Washington D.C. closed their doors on Wednesday as the partial U.S. government shutdown dragged on. (Xinhua/Liu Jie)
