Zale Yu: 2019 永興吊橋, Study 4
Zale Yu: 2019 永興吊橋, Study 5
Zale Yu: 2019 永興吊橋, Study 6
Zale Yu: 2019 永興吊橋, Study 7
Zale Yu: 2019 永興吊橋, Study 3