Tunnel: Sun in the dark has become the film with the highest revenue in Bui Thac Chuyens directing career. He is a famous and talented director, but films are always among the select audiences.
"The Brilliant Fate" by Bui Thac Chuyen once received a storm of compliments from critics, forcing Tran Thanh to post an article expressing his admiration on his personal page, but the revenue was modest, only over 4 billion VND.
Tunnel: Sun in the dark is also the most expensive project that Bui Thac Chuyen has ever directed, the film cost 55 billion VND to produce. With this spending level, the film needs to earn about 120 billion VND to break even. After surpassing the figure of 120 billion VND, the film began to make a profit.
Surpassing the story of revenue, The Earth: Sun in the dark has now become a Vietnamese film with a rare war-themed theme that has caused a storm across social networking platforms. Previously, most of the films were at a loss, even being criticized for being dry and handling old topics, such as: "Living with History", "Dien Bien Memories"...
On the personal page, the film screenwriter "Life of Cat" (a film taken the theme of post -war) has predicted, "Tunnels: The sun in the dark" can be in the top of the Oscar nomination for the outstanding foreign language film item. The reason given is that the film achieves international technical level, good music, the script, and this topic is always loved by American filmmakers.
Before becoming a director, Bui Thac Chuyen came from being an actor. He studied at the Drama Department of Hanoi University of Theatre and Cinema. After graduating, he joined the Vietnam National Drama Theatre. Bui Thac Chuyen participated in many plays and films as an actor. In particular, he played a soldier in a war work called "The Fire of Love".
When he was an actor, Bui Thac Chuyen also made the audience excited with his tall, handsome appearance.

Originally from an actor, Bui Thac Chuyen is very meticulous, perfectionist in choosing actors and sets high requirements for acting. Many actors have commented, "working with Bui Thac Chuyen is very tiring".
However, Thai Hoa said that he needs the meticulousness, meticulousness, and safety of a director like Bui Thac Chuyen. That way of working will bring high efficiency to the work.
Before the film was released, Bui Thac Chuyen had about 4-5 screenings, and he continued to film and choreograph until the film was released.
In a conversation with the Labor correspondent, Ho Thu Anh (closed three Huong) said that she had to force weight, down to 7-8 kg to close the "tunnel: the sun in the dark". After filming, she breathed a sigh of relief, trying to eat and drink to gain weight again (because it was too thin). However, just 7kg increased, the director's phone must be shot with some scenes. So it must be accelerated.
When asked about the hot scene with Quang Tuan (as Tu Dap), Ho Thu Anh revealed that she was very proactive in this scene to make Quang Tuan feel less afraid.
"I am not afraid of Mr. Tuan's wife being jealous, because in real life, I am not only close to Quang Tuan, but also close to his wife" - Ho Thu Anh said.
Thai Hoa shared that after filming, he loved the geography so much that he only wished to be able to bring a part to his house and bury it under his own land.