However, according to the artist's family, the portrait was thought to have been on display in the 1970s in the US, where it was allegedly damaged in a knife attack.
But he said they were not giving in and "once in the voting booth, they promise to vote for you".Several political analysts approached by the BBC declined to talk about the elections for fear of repercussions. One expert, who did not want to be named, said: "To avoid unnecessary trouble, you keep quiet."
''We pointed out from the start that everything was being tailor-made [to fit the ruling party]," they said, suggesting that a CNDD-FDD win was a done deal.Recently, some party officials have even been suggesting that a one-party system may be beneficial for Burundi.Chronic shortages of foreign currency, which is needed for imports such as medicine and fuel, have led to a decline in Burundi's economic activity.
Analysts say that Burundi now runs on less than one month's-worth of foreign currency reserves for imports, while the regional standard is to have at least four months.Queues of cars stretching from service stations for around 100m (330ft) have become a common sight. They often last for days or weeks as motorists wait for fuel, which is being rationed by the authorities.
According to the World Bank, the annual domestic income of an average Burundian in 2023 was $193 (£142), the lowest within the East African Community trade bloc.
Faustin Ndikumana, an economist and anti-corruption activist, believes Burundi's situation will not improve any time soon.Her team introduced a new vision based on the Bible verse "they will soar on wings like eagles'' and developed the idea of three core values: adventurous, wise and encouraging.
"The murals were then about bringing that to life," she said.Ms Harris said Lisa Made It had been "the perfect match" for their vision.
"We were really looking for an artist that reflected something that was very Jericho-y - that lovely combination of the canal, Port Meadow, the small houses, and that village within a big city."We had members of the community coming into our reception and saying how much they love it.