Israelis use 240 cubic metres of water a person each year, against 75 cubic metres for West bank Palestinians and 125 for Gazans, the bank said.

Most rooms fall into the category of "33m3" and "55m3" rooms for singles, couples and threesomes but other options including the Big One allow groups of 4 or even more to room together.

'the company is definitely set up in a way where myself and the other founders have a lot of control over it,' he says.